Home / 2,886,417.60-4,329,704.16-1,288,605.12

Finding the Fourth Proportional to 2,886,417.60, 4,329,704.16 and 1,288,605.12

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Solution

The fourth proportional to 2,886,417.60, 4,329,704.16 and 1,288,605.12 is: 1,932,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886,417.60 : 4,329,704.16 = 1,288,605.12 : x
  2. Step 2: Convert to fraction form
    2,886,417.60/4,329,704.16 = 1,288,605.12/x
  3. Step 3: Cross multiply
    2,886,417.60x = 4,329,704.16 × 1,288,605.12
  4. Step 4: Simplify right side
    2,886,417.60x = 5,579,278,948,661.30
  5. Step 5: Solve for x
    x = 5,579,278,948,661.30/2,886,417.60
  6. Step 6: Final answer
    x = 1,932,942.39

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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.