Home / 4,728,126.82-7,092,195.45-1,316,420.90

Finding the Fourth Proportional to 4,728,126.82, 7,092,195.45 and 1,316,420.90

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Solution

The fourth proportional to 4,728,126.82, 7,092,195.45 and 1,316,420.90 is: 1,974,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728,126.82 : 7,092,195.45 = 1,316,420.90 : x
  2. Step 2: Convert to fraction form
    4,728,126.82/7,092,195.45 = 1,316,420.90/x
  3. Step 3: Cross multiply
    4,728,126.82x = 7,092,195.45 × 1,316,420.90
  4. Step 4: Simplify right side
    4,728,126.82x = 9,336,314,317,264.90
  5. Step 5: Solve for x
    x = 9,336,314,317,264.90/4,728,126.82
  6. Step 6: Final answer
    x = 1,974,632.80

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Similar ratio
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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.