Home / 5,389,898.61-7,438,172.91-2,942,612.81

Finding the Fourth Proportional to 5,389,898.61, 7,438,172.91 and 2,942,612.81

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Solution

The fourth proportional to 5,389,898.61, 7,438,172.91 and 2,942,612.81 is: 4,060,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,898.61 : 7,438,172.91 = 2,942,612.81 : x
  2. Step 2: Convert to fraction form
    5,389,898.61/7,438,172.91 = 2,942,612.81/x
  3. Step 3: Cross multiply
    5,389,898.61x = 7,438,172.91 × 2,942,612.81
  4. Step 4: Simplify right side
    5,389,898.61x = 21,887,662,850,770.11
  5. Step 5: Solve for x
    x = 21,887,662,850,770.11/5,389,898.61
  6. Step 6: Final answer
    x = 4,060,867.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.