Home / 3,218,013.78-4,826,957.34-1,298,874.02

Finding the Fourth Proportional to 3,218,013.78, 4,826,957.34 and 1,298,874.02

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Solution

The fourth proportional to 3,218,013.78, 4,826,957.34 and 1,298,874.02 is: 1,948,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,013.78 : 4,826,957.34 = 1,298,874.02 : x
  2. Step 2: Convert to fraction form
    3,218,013.78/4,826,957.34 = 1,298,874.02/x
  3. Step 3: Cross multiply
    3,218,013.78x = 4,826,957.34 × 1,298,874.02
  4. Step 4: Simplify right side
    3,218,013.78x = 6,269,609,484,574.31
  5. Step 5: Solve for x
    x = 6,269,609,484,574.31/3,218,013.78
  6. Step 6: Final answer
    x = 1,948,285.47

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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.