Home / 3,686,139.40-5,529,209.10-2,091,816.40

Finding the Fourth Proportional to 3,686,139.40, 5,529,209.10 and 2,091,816.40

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Solution

The fourth proportional to 3,686,139.40, 5,529,209.10 and 2,091,816.40 is: 3,137,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,139.40 : 5,529,209.10 = 2,091,816.40 : x
  2. Step 2: Convert to fraction form
    3,686,139.40/5,529,209.10 = 2,091,816.40/x
  3. Step 3: Cross multiply
    3,686,139.40x = 5,529,209.10 × 2,091,816.40
  4. Step 4: Simplify right side
    3,686,139.40x = 11,566,090,274,409.24
  5. Step 5: Solve for x
    x = 11,566,090,274,409.24/3,686,139.40
  6. Step 6: Final answer
    x = 3,137,724.60

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Double scale
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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.