Home / 1,877,658.32-2,591,169.17-1,018,218.35

Finding the Fourth Proportional to 1,877,658.32, 2,591,169.17 and 1,018,218.35

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Solution

The fourth proportional to 1,877,658.32, 2,591,169.17 and 1,018,218.35 is: 1,405,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,658.32 : 2,591,169.17 = 1,018,218.35 : x
  2. Step 2: Convert to fraction form
    1,877,658.32/2,591,169.17 = 1,018,218.35/x
  3. Step 3: Cross multiply
    1,877,658.32x = 2,591,169.17 × 1,018,218.35
  4. Step 4: Simplify right side
    1,877,658.32x = 2,638,375,996,848.27
  5. Step 5: Solve for x
    x = 2,638,375,996,848.27/1,877,658.32
  6. Step 6: Final answer
    x = 1,405,141.70

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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.