Home / 2,755,909.76-4,133,942.40-761,365.76

Finding the Fourth Proportional to 2,755,909.76, 4,133,942.40 and 761,365.76

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Solution

The fourth proportional to 2,755,909.76, 4,133,942.40 and 761,365.76 is: 1,142,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755,909.76 : 4,133,942.40 = 761,365.76 : x
  2. Step 2: Convert to fraction form
    2,755,909.76/4,133,942.40 = 761,365.76/x
  3. Step 3: Cross multiply
    2,755,909.76x = 4,133,942.40 × 761,365.76
  4. Step 4: Simplify right side
    2,755,909.76x = 3,147,442,197,172.22
  5. Step 5: Solve for x
    x = 3,147,442,197,172.22/2,755,909.76
  6. Step 6: Final answer
    x = 1,142,070.12

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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.