Home / 4,254,426.80-6,385,787.40-2,126,913.20

Finding the Fourth Proportional to 4,254,426.80, 6,385,787.40 and 2,126,913.20

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Solution

The fourth proportional to 4,254,426.80, 6,385,787.40 and 2,126,913.20 is: 3,192,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254,426.80 : 6,385,787.40 = 2,126,913.20 : x
  2. Step 2: Convert to fraction form
    4,254,426.80/6,385,787.40 = 2,126,913.20/x
  3. Step 3: Cross multiply
    4,254,426.80x = 6,385,787.40 × 2,126,913.20
  4. Step 4: Simplify right side
    4,254,426.80x = 13,582,015,513,453.68
  5. Step 5: Solve for x
    x = 13,582,015,513,453.68/4,254,426.80
  6. Step 6: Final answer
    x = 3,192,443.11

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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.