Home / 3,429,673.89-4,732,608.87-1,979,836.40

Finding the Fourth Proportional to 3,429,673.89, 4,732,608.87 and 1,979,836.40

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Solution

The fourth proportional to 3,429,673.89, 4,732,608.87 and 1,979,836.40 is: 2,731,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,673.89 : 4,732,608.87 = 1,979,836.40 : x
  2. Step 2: Convert to fraction form
    3,429,673.89/4,732,608.87 = 1,979,836.40/x
  3. Step 3: Cross multiply
    3,429,673.89x = 4,732,608.87 × 1,979,836.40
  4. Step 4: Simplify right side
    3,429,673.89x = 9,369,791,284,125.82
  5. Step 5: Solve for x
    x = 9,369,791,284,125.82/3,429,673.89
  6. Step 6: Final answer
    x = 2,731,977.32

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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.