Home / 5,423,014.18-7,484,423.28-3,131,171.02

Finding the Fourth Proportional to 5,423,014.18, 7,484,423.28 and 3,131,171.02

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Solution

The fourth proportional to 5,423,014.18, 7,484,423.28 and 3,131,171.02 is: 4,321,399.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,014.18 : 7,484,423.28 = 3,131,171.02 : x
  2. Step 2: Convert to fraction form
    5,423,014.18/7,484,423.28 = 3,131,171.02/x
  3. Step 3: Cross multiply
    5,423,014.18x = 7,484,423.28 × 3,131,171.02
  4. Step 4: Simplify right side
    5,423,014.18x = 23,435,009,275,749.35
  5. Step 5: Solve for x
    x = 23,435,009,275,749.35/5,423,014.18
  6. Step 6: Final answer
    x = 4,321,399.23

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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.