Home / 2,471,406.60-3,707,109.90-1,990,331.40

Finding the Fourth Proportional to 2,471,406.60, 3,707,109.90 and 1,990,331.40

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Solution

The fourth proportional to 2,471,406.60, 3,707,109.90 and 1,990,331.40 is: 2,985,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471,406.60 : 3,707,109.90 = 1,990,331.40 : x
  2. Step 2: Convert to fraction form
    2,471,406.60/3,707,109.90 = 1,990,331.40/x
  3. Step 3: Cross multiply
    2,471,406.60x = 3,707,109.90 × 1,990,331.40
  4. Step 4: Simplify right side
    2,471,406.60x = 7,378,377,237,220.86
  5. Step 5: Solve for x
    x = 7,378,377,237,220.86/2,471,406.60
  6. Step 6: Final answer
    x = 2,985,497.10

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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.