Home / 3,130,863.40-4,318,681.80-2,070,002.26

Finding the Fourth Proportional to 3,130,863.40, 4,318,681.80 and 2,070,002.26

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Solution

The fourth proportional to 3,130,863.40, 4,318,681.80 and 2,070,002.26 is: 2,855,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,863.40 : 4,318,681.80 = 2,070,002.26 : x
  2. Step 2: Convert to fraction form
    3,130,863.40/4,318,681.80 = 2,070,002.26/x
  3. Step 3: Cross multiply
    3,130,863.40x = 4,318,681.80 × 2,070,002.26
  4. Step 4: Simplify right side
    3,130,863.40x = 8,939,681,086,220.87
  5. Step 5: Solve for x
    x = 8,939,681,086,220.87/3,130,863.40
  6. Step 6: Final answer
    x = 2,855,340.51

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.