Home / 2,666,972.80-4,000,459.20-1,472,579.20

Finding the Fourth Proportional to 2,666,972.80, 4,000,459.20 and 1,472,579.20

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Solution

The fourth proportional to 2,666,972.80, 4,000,459.20 and 1,472,579.20 is: 2,208,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,972.80 : 4,000,459.20 = 1,472,579.20 : x
  2. Step 2: Convert to fraction form
    2,666,972.80/4,000,459.20 = 1,472,579.20/x
  3. Step 3: Cross multiply
    2,666,972.80x = 4,000,459.20 × 1,472,579.20
  4. Step 4: Simplify right side
    2,666,972.80x = 5,890,993,008,368.64
  5. Step 5: Solve for x
    x = 5,890,993,008,368.64/2,666,972.80
  6. Step 6: Final answer
    x = 2,208,868.80

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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.