Home / 2,560,550.77-3,842,981-1,280,774.40

Finding the Fourth Proportional to 2,560,550.77, 3,842,981 and 1,280,774.40

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Solution

The fourth proportional to 2,560,550.77, 3,842,981 and 1,280,774.40 is: 1,922,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,550.77 : 3,842,981 = 1,280,774.40 : x
  2. Step 2: Convert to fraction form
    2,560,550.77/3,842,981 = 1,280,774.40/x
  3. Step 3: Cross multiply
    2,560,550.77x = 3,842,981 × 1,280,774.40
  4. Step 4: Simplify right side
    2,560,550.77x = 4,921,991,684,486.40
  5. Step 5: Solve for x
    x = 4,921,991,684,486.40/2,560,550.77
  6. Step 6: Final answer
    x = 1,922,239.44

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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.