Home / 1,620,278.50-2,235,957.87-895,156.78

Finding the Fourth Proportional to 1,620,278.50, 2,235,957.87 and 895,156.78

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Solution

The fourth proportional to 1,620,278.50, 2,235,957.87 and 895,156.78 is: 1,235,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,278.50 : 2,235,957.87 = 895,156.78 : x
  2. Step 2: Convert to fraction form
    1,620,278.50/2,235,957.87 = 895,156.78/x
  3. Step 3: Cross multiply
    1,620,278.50x = 2,235,957.87 × 895,156.78
  4. Step 4: Simplify right side
    1,620,278.50x = 2,001,532,847,124.86
  5. Step 5: Solve for x
    x = 2,001,532,847,124.86/1,620,278.50
  6. Step 6: Final answer
    x = 1,235,301.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.