Home / 3,429,538.11-4,732,602.39-1,979,700.71

Finding the Fourth Proportional to 3,429,538.11, 4,732,602.39 and 1,979,700.71

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Solution

The fourth proportional to 3,429,538.11, 4,732,602.39 and 1,979,700.71 is: 2,731,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,538.11 : 4,732,602.39 = 1,979,700.71 : x
  2. Step 2: Convert to fraction form
    3,429,538.11/4,732,602.39 = 1,979,700.71/x
  3. Step 3: Cross multiply
    3,429,538.11x = 4,732,602.39 × 1,979,700.71
  4. Step 4: Simplify right side
    3,429,538.11x = 9,369,136,287,967.69
  5. Step 5: Solve for x
    x = 9,369,136,287,967.69/3,429,538.11
  6. Step 6: Final answer
    x = 2,731,894.50

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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.