Home / 4,959,770.40-7,439,655.60-2,125,418.40

Finding the Fourth Proportional to 4,959,770.40, 7,439,655.60 and 2,125,418.40

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Solution

The fourth proportional to 4,959,770.40, 7,439,655.60 and 2,125,418.40 is: 3,188,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959,770.40 : 7,439,655.60 = 2,125,418.40 : x
  2. Step 2: Convert to fraction form
    4,959,770.40/7,439,655.60 = 2,125,418.40/x
  3. Step 3: Cross multiply
    4,959,770.40x = 7,439,655.60 × 2,125,418.40
  4. Step 4: Simplify right side
    4,959,770.40x = 15,812,380,901,903.04
  5. Step 5: Solve for x
    x = 15,812,380,901,903.04/4,959,770.40
  6. Step 6: Final answer
    x = 3,188,127.60

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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.