Home / 5,369,148.40-8,048,279.40-2,669,321.20

Finding the Fourth Proportional to 5,369,148.40, 8,048,279.40 and 2,669,321.20

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Solution

The fourth proportional to 5,369,148.40, 8,048,279.40 and 2,669,321.20 is: 4,001,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369,148.40 : 8,048,279.40 = 2,669,321.20 : x
  2. Step 2: Convert to fraction form
    5,369,148.40/8,048,279.40 = 2,669,321.20/x
  3. Step 3: Cross multiply
    5,369,148.40x = 8,048,279.40 × 2,669,321.20
  4. Step 4: Simplify right side
    5,369,148.40x = 21,483,442,825,943.28
  5. Step 5: Solve for x
    x = 21,483,442,825,943.28/5,369,148.40
  6. Step 6: Final answer
    x = 4,001,275.66

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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.