Home / 3,936,862.40-5,432,870.08-2,126,026.24

Finding the Fourth Proportional to 3,936,862.40, 5,432,870.08 and 2,126,026.24

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Solution

The fourth proportional to 3,936,862.40, 5,432,870.08 and 2,126,026.24 is: 2,933,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,862.40 : 5,432,870.08 = 2,126,026.24 : x
  2. Step 2: Convert to fraction form
    3,936,862.40/5,432,870.08 = 2,126,026.24/x
  3. Step 3: Cross multiply
    3,936,862.40x = 5,432,870.08 × 2,126,026.24
  4. Step 4: Simplify right side
    3,936,862.40x = 11,550,424,348,590.90
  5. Step 5: Solve for x
    x = 11,550,424,348,590.90/3,936,862.40
  6. Step 6: Final answer
    x = 2,933,916.19

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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.