Home / 1,592,134.40-2,197,145.63-866,981.90

Finding the Fourth Proportional to 1,592,134.40, 2,197,145.63 and 866,981.90

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Solution

The fourth proportional to 1,592,134.40, 2,197,145.63 and 866,981.90 is: 1,196,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592,134.40 : 2,197,145.63 = 866,981.90 : x
  2. Step 2: Convert to fraction form
    1,592,134.40/2,197,145.63 = 866,981.90/x
  3. Step 3: Cross multiply
    1,592,134.40x = 2,197,145.63 × 866,981.90
  4. Step 4: Simplify right side
    1,592,134.40x = 1,904,885,500,534.42
  5. Step 5: Solve for x
    x = 1,904,885,500,534.42/1,592,134.40
  6. Step 6: Final answer
    x = 1,196,435.11

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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.