Home / 5,164,705-7,748,301.66-1,618,849

Finding the Fourth Proportional to 5,164,705, 7,748,301.66 and 1,618,849

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Solution

The fourth proportional to 5,164,705, 7,748,301.66 and 1,618,849 is: 2,428,663.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164,705 : 7,748,301.66 = 1,618,849 : x
  2. Step 2: Convert to fraction form
    5,164,705/7,748,301.66 = 1,618,849/x
  3. Step 3: Cross multiply
    5,164,705x = 7,748,301.66 × 1,618,849
  4. Step 4: Simplify right side
    5,164,705x = 12,543,330,393,989.34
  5. Step 5: Solve for x
    x = 12,543,330,393,989.34/5,164,705
  6. Step 6: Final answer
    x = 2,428,663.48

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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.