Home / 2,560,549.77-3,842,979.50-1,280,773.40

Finding the Fourth Proportional to 2,560,549.77, 3,842,979.50 and 1,280,773.40

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Solution

The fourth proportional to 2,560,549.77, 3,842,979.50 and 1,280,773.40 is: 1,922,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,549.77 : 3,842,979.50 = 1,280,773.40 : x
  2. Step 2: Convert to fraction form
    2,560,549.77/3,842,979.50 = 1,280,773.40/x
  3. Step 3: Cross multiply
    2,560,549.77x = 3,842,979.50 × 1,280,773.40
  4. Step 4: Simplify right side
    2,560,549.77x = 4,921,985,904,332.34
  5. Step 5: Solve for x
    x = 4,921,985,904,332.34/2,560,549.77
  6. Step 6: Final answer
    x = 1,922,237.94

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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.