Home / 2,895,981.60-4,345,527.60-1,213,255.20

Finding the Fourth Proportional to 2,895,981.60, 4,345,527.60 and 1,213,255.20

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Solution

The fourth proportional to 2,895,981.60, 4,345,527.60 and 1,213,255.20 is: 1,820,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895,981.60 : 4,345,527.60 = 1,213,255.20 : x
  2. Step 2: Convert to fraction form
    2,895,981.60/4,345,527.60 = 1,213,255.20/x
  3. Step 3: Cross multiply
    2,895,981.60x = 4,345,527.60 × 1,213,255.20
  4. Step 4: Simplify right side
    2,895,981.60x = 5,272,233,957,443.52
  5. Step 5: Solve for x
    x = 5,272,233,957,443.52/2,895,981.60
  6. Step 6: Final answer
    x = 1,820,534.34

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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.