Home / 1,937,702.30-2,899,664.40-1,687,728.20

Finding the Fourth Proportional to 1,937,702.30, 2,899,664.40 and 1,687,728.20

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Solution

The fourth proportional to 1,937,702.30, 2,899,664.40 and 1,687,728.20 is: 2,525,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,702.30 : 2,899,664.40 = 1,687,728.20 : x
  2. Step 2: Convert to fraction form
    1,937,702.30/2,899,664.40 = 1,687,728.20/x
  3. Step 3: Cross multiply
    1,937,702.30x = 2,899,664.40 × 1,687,728.20
  4. Step 4: Simplify right side
    1,937,702.30x = 4,893,845,378,416.08
  5. Step 5: Solve for x
    x = 4,893,845,378,416.08/1,937,702.30
  6. Step 6: Final answer
    x = 2,525,591.97

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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.