Home / 3,497,065.38-4,826,197.20-1,948,428.78

Finding the Fourth Proportional to 3,497,065.38, 4,826,197.20 and 1,948,428.78

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Solution

The fourth proportional to 3,497,065.38, 4,826,197.20 and 1,948,428.78 is: 2,688,969.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497,065.38 : 4,826,197.20 = 1,948,428.78 : x
  2. Step 2: Convert to fraction form
    3,497,065.38/4,826,197.20 = 1,948,428.78/x
  3. Step 3: Cross multiply
    3,497,065.38x = 4,826,197.20 × 1,948,428.78
  4. Step 4: Simplify right side
    3,497,065.38x = 9,403,501,522,435.42
  5. Step 5: Solve for x
    x = 9,403,501,522,435.42/3,497,065.38
  6. Step 6: Final answer
    x = 2,688,969.32

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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.