Home / 2,666,947.20-4,000,420.80-672,403.20

Finding the Fourth Proportional to 2,666,947.20, 4,000,420.80 and 672,403.20

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Solution

The fourth proportional to 2,666,947.20, 4,000,420.80 and 672,403.20 is: 1,008,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,947.20 : 4,000,420.80 = 672,403.20 : x
  2. Step 2: Convert to fraction form
    2,666,947.20/4,000,420.80 = 672,403.20/x
  3. Step 3: Cross multiply
    2,666,947.20x = 4,000,420.80 × 672,403.20
  4. Step 4: Simplify right side
    2,666,947.20x = 2,689,895,747,266.56
  5. Step 5: Solve for x
    x = 2,689,895,747,266.56/2,666,947.20
  6. Step 6: Final answer
    x = 1,008,604.80

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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.