Home / 3,426,691.77-4,728,834.68-1,898,798.90

Finding the Fourth Proportional to 3,426,691.77, 4,728,834.68 and 1,898,798.90

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Solution

The fourth proportional to 3,426,691.77, 4,728,834.68 and 1,898,798.90 is: 2,620,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,691.77 : 4,728,834.68 = 1,898,798.90 : x
  2. Step 2: Convert to fraction form
    3,426,691.77/4,728,834.68 = 1,898,798.90/x
  3. Step 3: Cross multiply
    3,426,691.77x = 4,728,834.68 × 1,898,798.90
  4. Step 4: Simplify right side
    3,426,691.77x = 8,979,106,055,527.68
  5. Step 5: Solve for x
    x = 8,979,106,055,527.68/3,426,691.77
  6. Step 6: Final answer
    x = 2,620,342.49

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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.