Home / 2,870,520.44-4,298,691.11-2,139,290.18

Finding the Fourth Proportional to 2,870,520.44, 4,298,691.11 and 2,139,290.18

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Solution

The fourth proportional to 2,870,520.44, 4,298,691.11 and 2,139,290.18 is: 3,203,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,520.44 : 4,298,691.11 = 2,139,290.18 : x
  2. Step 2: Convert to fraction form
    2,870,520.44/4,298,691.11 = 2,139,290.18/x
  3. Step 3: Cross multiply
    2,870,520.44x = 4,298,691.11 × 2,139,290.18
  4. Step 4: Simplify right side
    2,870,520.44x = 9,196,147,678,476.30
  5. Step 5: Solve for x
    x = 9,196,147,678,476.30/2,870,520.44
  6. Step 6: Final answer
    x = 3,203,651.70

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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.