Home / 2,811,439.20-4,216,526.40-1,293,666.24

Finding the Fourth Proportional to 2,811,439.20, 4,216,526.40 and 1,293,666.24

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Solution

The fourth proportional to 2,811,439.20, 4,216,526.40 and 1,293,666.24 is: 1,940,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,439.20 : 4,216,526.40 = 1,293,666.24 : x
  2. Step 2: Convert to fraction form
    2,811,439.20/4,216,526.40 = 1,293,666.24/x
  3. Step 3: Cross multiply
    2,811,439.20x = 4,216,526.40 × 1,293,666.24
  4. Step 4: Simplify right side
    2,811,439.20x = 5,454,777,853,748.74
  5. Step 5: Solve for x
    x = 5,454,777,853,748.74/2,811,439.20
  6. Step 6: Final answer
    x = 1,940,208.37

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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.