Home / 3,720,140.69-5,134,090.91-2,088,655.29

Finding the Fourth Proportional to 3,720,140.69, 5,134,090.91 and 2,088,655.29

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Solution

The fourth proportional to 3,720,140.69, 5,134,090.91 and 2,088,655.29 is: 2,882,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720,140.69 : 5,134,090.91 = 2,088,655.29 : x
  2. Step 2: Convert to fraction form
    3,720,140.69/5,134,090.91 = 2,088,655.29/x
  3. Step 3: Cross multiply
    3,720,140.69x = 5,134,090.91 × 2,088,655.29
  4. Step 4: Simplify right side
    3,720,140.69x = 10,723,346,128,069.14
  5. Step 5: Solve for x
    x = 10,723,346,128,069.14/3,720,140.69
  6. Step 6: Final answer
    x = 2,882,510.91

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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.