Home / 1,819,798.24-2,727,483.64-1,287,472.72

Finding the Fourth Proportional to 1,819,798.24, 2,727,483.64 and 1,287,472.72

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Solution

The fourth proportional to 1,819,798.24, 2,727,483.64 and 1,287,472.72 is: 1,929,642.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,798.24 : 2,727,483.64 = 1,287,472.72 : x
  2. Step 2: Convert to fraction form
    1,819,798.24/2,727,483.64 = 1,287,472.72/x
  3. Step 3: Cross multiply
    1,819,798.24x = 2,727,483.64 × 1,287,472.72
  4. Step 4: Simplify right side
    1,819,798.24x = 3,511,560,780,746.30
  5. Step 5: Solve for x
    x = 3,511,560,780,746.30/1,819,798.24
  6. Step 6: Final answer
    x = 1,929,642.92

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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.