Home / 2,675,338.40-4,013,007.60-878,499.20

Finding the Fourth Proportional to 2,675,338.40, 4,013,007.60 and 878,499.20

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Solution

The fourth proportional to 2,675,338.40, 4,013,007.60 and 878,499.20 is: 1,317,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675,338.40 : 4,013,007.60 = 878,499.20 : x
  2. Step 2: Convert to fraction form
    2,675,338.40/4,013,007.60 = 878,499.20/x
  3. Step 3: Cross multiply
    2,675,338.40x = 4,013,007.60 × 878,499.20
  4. Step 4: Simplify right side
    2,675,338.40x = 3,525,423,966,193.92
  5. Step 5: Solve for x
    x = 3,525,423,966,193.92/2,675,338.40
  6. Step 6: Final answer
    x = 1,317,748.80

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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.