Home / 2,371,538.70-3,557,406.47-688,642.20

Finding the Fourth Proportional to 2,371,538.70, 3,557,406.47 and 688,642.20

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Solution

The fourth proportional to 2,371,538.70, 3,557,406.47 and 688,642.20 is: 1,032,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371,538.70 : 3,557,406.47 = 688,642.20 : x
  2. Step 2: Convert to fraction form
    2,371,538.70/3,557,406.47 = 688,642.20/x
  3. Step 3: Cross multiply
    2,371,538.70x = 3,557,406.47 × 688,642.20
  4. Step 4: Simplify right side
    2,371,538.70x = 2,449,780,196,564.79
  5. Step 5: Solve for x
    x = 2,449,780,196,564.79/2,371,538.70
  6. Step 6: Final answer
    x = 1,032,991.87

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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.