Home / 3,114,945.60-4,676,721.28-2,153,031.68

Finding the Fourth Proportional to 3,114,945.60, 4,676,721.28 and 2,153,031.68

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Solution

The fourth proportional to 3,114,945.60, 4,676,721.28 and 2,153,031.68 is: 3,232,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,945.60 : 4,676,721.28 = 2,153,031.68 : x
  2. Step 2: Convert to fraction form
    3,114,945.60/4,676,721.28 = 2,153,031.68/x
  3. Step 3: Cross multiply
    3,114,945.60x = 4,676,721.28 × 2,153,031.68
  4. Step 4: Simplify right side
    3,114,945.60x = 10,069,129,074,370.15
  5. Step 5: Solve for x
    x = 10,069,129,074,370.15/3,114,945.60
  6. Step 6: Final answer
    x = 3,232,521.64

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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.