Home / 3,081,478.91-4,252,519.86-1,857,862.89

Finding the Fourth Proportional to 3,081,478.91, 4,252,519.86 and 1,857,862.89

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Solution

The fourth proportional to 3,081,478.91, 4,252,519.86 and 1,857,862.89 is: 2,563,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,478.91 : 4,252,519.86 = 1,857,862.89 : x
  2. Step 2: Convert to fraction form
    3,081,478.91/4,252,519.86 = 1,857,862.89/x
  3. Step 3: Cross multiply
    3,081,478.91x = 4,252,519.86 × 1,857,862.89
  4. Step 4: Simplify right side
    3,081,478.91x = 7,900,598,836,882.00
  5. Step 5: Solve for x
    x = 7,900,598,836,882.00/3,081,478.91
  6. Step 6: Final answer
    x = 2,563,898.40

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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.