Home / 4,287,981.65-6,428,024.93-1,857,607.73

Finding the Fourth Proportional to 4,287,981.65, 6,428,024.93 and 1,857,607.73

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Solution

The fourth proportional to 4,287,981.65, 6,428,024.93 and 1,857,607.73 is: 2,784,701.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,981.65 : 6,428,024.93 = 1,857,607.73 : x
  2. Step 2: Convert to fraction form
    4,287,981.65/6,428,024.93 = 1,857,607.73/x
  3. Step 3: Cross multiply
    4,287,981.65x = 6,428,024.93 × 1,857,607.73
  4. Step 4: Simplify right side
    4,287,981.65x = 11,940,748,795,209.70
  5. Step 5: Solve for x
    x = 11,940,748,795,209.70/4,287,981.65
  6. Step 6: Final answer
    x = 2,784,701.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.