Home / 3,429,688.45-4,732,629-1,979,850.97

Finding the Fourth Proportional to 3,429,688.45, 4,732,629 and 1,979,850.97

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Solution

The fourth proportional to 3,429,688.45, 4,732,629 and 1,979,850.97 is: 2,731,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,688.45 : 4,732,629 = 1,979,850.97 : x
  2. Step 2: Convert to fraction form
    3,429,688.45/4,732,629 = 1,979,850.97/x
  3. Step 3: Cross multiply
    3,429,688.45x = 4,732,629 × 1,979,850.97
  4. Step 4: Simplify right side
    3,429,688.45x = 9,369,900,116,300.13
  5. Step 5: Solve for x
    x = 9,369,900,116,300.13/3,429,688.45
  6. Step 6: Final answer
    x = 2,731,997.45

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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.