Home / 3,087,637.76-4,261,164.50-1,864,240.90

Finding the Fourth Proportional to 3,087,637.76, 4,261,164.50 and 1,864,240.90

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Solution

The fourth proportional to 3,087,637.76, 4,261,164.50 and 1,864,240.90 is: 2,572,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,637.76 : 4,261,164.50 = 1,864,240.90 : x
  2. Step 2: Convert to fraction form
    3,087,637.76/4,261,164.50 = 1,864,240.90/x
  3. Step 3: Cross multiply
    3,087,637.76x = 4,261,164.50 × 1,864,240.90
  4. Step 4: Simplify right side
    3,087,637.76x = 7,943,837,142,528.05
  5. Step 5: Solve for x
    x = 7,943,837,142,528.05/3,087,637.76
  6. Step 6: Final answer
    x = 2,572,787.92

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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.