Home / 1,536,191.28-2,119,604.64-891,237.92

Finding the Fourth Proportional to 1,536,191.28, 2,119,604.64 and 891,237.92

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Solution

The fourth proportional to 1,536,191.28, 2,119,604.64 and 891,237.92 is: 1,229,711.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,191.28 : 2,119,604.64 = 891,237.92 : x
  2. Step 2: Convert to fraction form
    1,536,191.28/2,119,604.64 = 891,237.92/x
  3. Step 3: Cross multiply
    1,536,191.28x = 2,119,604.64 × 891,237.92
  4. Step 4: Simplify right side
    1,536,191.28x = 1,889,072,030,575.95
  5. Step 5: Solve for x
    x = 1,889,072,030,575.95/1,536,191.28
  6. Step 6: Final answer
    x = 1,229,711.47

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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.