Home / 4,332,387.21-5,979,095.40-2,398,647.78

Finding the Fourth Proportional to 4,332,387.21, 5,979,095.40 and 2,398,647.78

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Solution

The fourth proportional to 4,332,387.21, 5,979,095.40 and 2,398,647.78 is: 3,310,355.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,332,387.21 : 5,979,095.40 = 2,398,647.78 : x
  2. Step 2: Convert to fraction form
    4,332,387.21/5,979,095.40 = 2,398,647.78/x
  3. Step 3: Cross multiply
    4,332,387.21x = 5,979,095.40 × 2,398,647.78
  4. Step 4: Simplify right side
    4,332,387.21x = 14,341,743,907,618.21
  5. Step 5: Solve for x
    x = 14,341,743,907,618.21/4,332,387.21
  6. Step 6: Final answer
    x = 3,310,355.98

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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.