Home / 3,507,121.40-5,260,682.10-3,402,145.40

Finding the Fourth Proportional to 3,507,121.40, 5,260,682.10 and 3,402,145.40

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Solution

The fourth proportional to 3,507,121.40, 5,260,682.10 and 3,402,145.40 is: 5,103,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,121.40 : 5,260,682.10 = 3,402,145.40 : x
  2. Step 2: Convert to fraction form
    3,507,121.40/5,260,682.10 = 3,402,145.40/x
  3. Step 3: Cross multiply
    3,507,121.40x = 5,260,682.10 × 3,402,145.40
  4. Step 4: Simplify right side
    3,507,121.40x = 17,897,605,407,377.34
  5. Step 5: Solve for x
    x = 17,897,605,407,377.34/3,507,121.40
  6. Step 6: Final answer
    x = 5,103,218.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.