Home / 1,527,392-2,290,512-1,227,134.72

Finding the Fourth Proportional to 1,527,392, 2,290,512 and 1,227,134.72

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Solution

The fourth proportional to 1,527,392, 2,290,512 and 1,227,134.72 is: 1,840,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,392 : 2,290,512 = 1,227,134.72 : x
  2. Step 2: Convert to fraction form
    1,527,392/2,290,512 = 1,227,134.72/x
  3. Step 3: Cross multiply
    1,527,392x = 2,290,512 × 1,227,134.72
  4. Step 4: Simplify right side
    1,527,392x = 2,810,766,801,776.64
  5. Step 5: Solve for x
    x = 2,810,766,801,776.64/1,527,392
  6. Step 6: Final answer
    x = 1,840,239.31

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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.