Home / 4,679,974.80-7,019,962.20-2,657,437.20

Finding the Fourth Proportional to 4,679,974.80, 7,019,962.20 and 2,657,437.20

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Solution

The fourth proportional to 4,679,974.80, 7,019,962.20 and 2,657,437.20 is: 3,986,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,974.80 : 7,019,962.20 = 2,657,437.20 : x
  2. Step 2: Convert to fraction form
    4,679,974.80/7,019,962.20 = 2,657,437.20/x
  3. Step 3: Cross multiply
    4,679,974.80x = 7,019,962.20 × 2,657,437.20
  4. Step 4: Simplify right side
    4,679,974.80x = 18,655,108,692,873.84
  5. Step 5: Solve for x
    x = 18,655,108,692,873.84/4,679,974.80
  6. Step 6: Final answer
    x = 3,986,155.80

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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.