Home / 1,600,589.40-2,398,218.35-1,126,278.15

Finding the Fourth Proportional to 1,600,589.40, 2,398,218.35 and 1,126,278.15

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Solution

The fourth proportional to 1,600,589.40, 2,398,218.35 and 1,126,278.15 is: 1,687,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,589.40 : 2,398,218.35 = 1,126,278.15 : x
  2. Step 2: Convert to fraction form
    1,600,589.40/2,398,218.35 = 1,126,278.15/x
  3. Step 3: Cross multiply
    1,600,589.40x = 2,398,218.35 × 1,126,278.15
  4. Step 4: Simplify right side
    1,600,589.40x = 2,701,060,920,902.66
  5. Step 5: Solve for x
    x = 2,701,060,920,902.66/1,600,589.40
  6. Step 6: Final answer
    x = 1,687,541.43

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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.