Home / 2,545,140.85-3,817,512.82-1,479,503.23

Finding the Fourth Proportional to 2,545,140.85, 3,817,512.82 and 1,479,503.23

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Solution

The fourth proportional to 2,545,140.85, 3,817,512.82 and 1,479,503.23 is: 2,219,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,140.85 : 3,817,512.82 = 1,479,503.23 : x
  2. Step 2: Convert to fraction form
    2,545,140.85/3,817,512.82 = 1,479,503.23/x
  3. Step 3: Cross multiply
    2,545,140.85x = 3,817,512.82 × 1,479,503.23
  4. Step 4: Simplify right side
    2,545,140.85x = 5,648,022,547,756.41
  5. Step 5: Solve for x
    x = 5,648,022,547,756.41/2,545,140.85
  6. Step 6: Final answer
    x = 2,219,139.48

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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.