Home / 1,611,713.40-2,415,134.31-1,078,279.52

Finding the Fourth Proportional to 1,611,713.40, 2,415,134.31 and 1,078,279.52

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Solution

The fourth proportional to 1,611,713.40, 2,415,134.31 and 1,078,279.52 is: 1,615,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,713.40 : 2,415,134.31 = 1,078,279.52 : x
  2. Step 2: Convert to fraction form
    1,611,713.40/2,415,134.31 = 1,078,279.52/x
  3. Step 3: Cross multiply
    1,611,713.40x = 2,415,134.31 × 1,078,279.52
  4. Step 4: Simplify right side
    1,611,713.40x = 2,604,189,852,446.66
  5. Step 5: Solve for x
    x = 2,604,189,852,446.66/1,611,713.40
  6. Step 6: Final answer
    x = 1,615,789.66

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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.