Home / 2,979,607.86-4,111,952.13-1,690,502.58

Finding the Fourth Proportional to 2,979,607.86, 4,111,952.13 and 1,690,502.58

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Solution

The fourth proportional to 2,979,607.86, 4,111,952.13 and 1,690,502.58 is: 2,332,946.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,607.86 : 4,111,952.13 = 1,690,502.58 : x
  2. Step 2: Convert to fraction form
    2,979,607.86/4,111,952.13 = 1,690,502.58/x
  3. Step 3: Cross multiply
    2,979,607.86x = 4,111,952.13 × 1,690,502.58
  4. Step 4: Simplify right side
    2,979,607.86x = 6,951,265,684,601.50
  5. Step 5: Solve for x
    x = 6,951,265,684,601.50/2,979,607.86
  6. Step 6: Final answer
    x = 2,332,946.49

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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.