Home / 3,480,650.46-4,803,225.24-1,931,821.28

Finding the Fourth Proportional to 3,480,650.46, 4,803,225.24 and 1,931,821.28

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Solution

The fourth proportional to 3,480,650.46, 4,803,225.24 and 1,931,821.28 is: 2,665,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,650.46 : 4,803,225.24 = 1,931,821.28 : x
  2. Step 2: Convert to fraction form
    3,480,650.46/4,803,225.24 = 1,931,821.28/x
  3. Step 3: Cross multiply
    3,480,650.46x = 4,803,225.24 × 1,931,821.28
  4. Step 4: Simplify right side
    3,480,650.46x = 9,278,972,732,505.41
  5. Step 5: Solve for x
    x = 9,278,972,732,505.41/3,480,650.46
  6. Step 6: Final answer
    x = 2,665,873.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.