Home / 2,857,239.28-4,287,061.28-1,778,654.64

Finding the Fourth Proportional to 2,857,239.28, 4,287,061.28 and 1,778,654.64

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Solution

The fourth proportional to 2,857,239.28, 4,287,061.28 and 1,778,654.64 is: 2,668,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,239.28 : 4,287,061.28 = 1,778,654.64 : x
  2. Step 2: Convert to fraction form
    2,857,239.28/4,287,061.28 = 1,778,654.64/x
  3. Step 3: Cross multiply
    2,857,239.28x = 4,287,061.28 × 1,778,654.64
  4. Step 4: Simplify right side
    2,857,239.28x = 7,625,201,437,636.34
  5. Step 5: Solve for x
    x = 7,625,201,437,636.34/2,857,239.28
  6. Step 6: Final answer
    x = 2,668,730.44

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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.