Home / 1,535,561.48-2,119,754.40-991,962.20

Finding the Fourth Proportional to 1,535,561.48, 2,119,754.40 and 991,962.20

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Solution

The fourth proportional to 1,535,561.48, 2,119,754.40 and 991,962.20 is: 1,369,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,561.48 : 2,119,754.40 = 991,962.20 : x
  2. Step 2: Convert to fraction form
    1,535,561.48/2,119,754.40 = 991,962.20/x
  3. Step 3: Cross multiply
    1,535,561.48x = 2,119,754.40 × 991,962.20
  4. Step 4: Simplify right side
    1,535,561.48x = 2,102,716,238,083.68
  5. Step 5: Solve for x
    x = 2,102,716,238,083.68/1,535,561.48
  6. Step 6: Final answer
    x = 1,369,346.83

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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.