Home / 2,114,031.16-3,171,531.12-916,154.56

Finding the Fourth Proportional to 2,114,031.16, 3,171,531.12 and 916,154.56

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Solution

The fourth proportional to 2,114,031.16, 3,171,531.12 and 916,154.56 is: 1,374,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,031.16 : 3,171,531.12 = 916,154.56 : x
  2. Step 2: Convert to fraction form
    2,114,031.16/3,171,531.12 = 916,154.56/x
  3. Step 3: Cross multiply
    2,114,031.16x = 3,171,531.12 × 916,154.56
  4. Step 4: Simplify right side
    2,114,031.16x = 2,905,612,697,769.91
  5. Step 5: Solve for x
    x = 2,905,612,697,769.91/2,114,031.16
  6. Step 6: Final answer
    x = 1,374,441.76

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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.