Home / 2,578,689.40-3,868,034.10-2,358,239.80

Finding the Fourth Proportional to 2,578,689.40, 3,868,034.10 and 2,358,239.80

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Solution

The fourth proportional to 2,578,689.40, 3,868,034.10 and 2,358,239.80 is: 3,537,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,689.40 : 3,868,034.10 = 2,358,239.80 : x
  2. Step 2: Convert to fraction form
    2,578,689.40/3,868,034.10 = 2,358,239.80/x
  3. Step 3: Cross multiply
    2,578,689.40x = 3,868,034.10 × 2,358,239.80
  4. Step 4: Simplify right side
    2,578,689.40x = 9,121,751,962,377.18
  5. Step 5: Solve for x
    x = 9,121,751,962,377.18/2,578,689.40
  6. Step 6: Final answer
    x = 3,537,359.70

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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.