Home / 1,878,877.83-2,817,117.93-1,238,442.15

Finding the Fourth Proportional to 1,878,877.83, 2,817,117.93 and 1,238,442.15

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Solution

The fourth proportional to 1,878,877.83, 2,817,117.93 and 1,238,442.15 is: 1,856,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,877.83 : 2,817,117.93 = 1,238,442.15 : x
  2. Step 2: Convert to fraction form
    1,878,877.83/2,817,117.93 = 1,238,442.15/x
  3. Step 3: Cross multiply
    1,878,877.83x = 2,817,117.93 × 1,238,442.15
  4. Step 4: Simplify right side
    1,878,877.83x = 3,488,837,586,032.75
  5. Step 5: Solve for x
    x = 3,488,837,586,032.75/1,878,877.83
  6. Step 6: Final answer
    x = 1,856,873.04

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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.