Home / 2,726,143.20-4,081,341.60-1,663,261.20

Finding the Fourth Proportional to 2,726,143.20, 4,081,341.60 and 1,663,261.20

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Solution

The fourth proportional to 2,726,143.20, 4,081,341.60 and 1,663,261.20 is: 2,490,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726,143.20 : 4,081,341.60 = 1,663,261.20 : x
  2. Step 2: Convert to fraction form
    2,726,143.20/4,081,341.60 = 1,663,261.20/x
  3. Step 3: Cross multiply
    2,726,143.20x = 4,081,341.60 × 1,663,261.20
  4. Step 4: Simplify right side
    2,726,143.20x = 6,788,337,127,225.92
  5. Step 5: Solve for x
    x = 6,788,337,127,225.92/2,726,143.20
  6. Step 6: Final answer
    x = 2,490,088.24

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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.