Home / 1,563,649.20-2,156,723.52-1,435,003.14

Finding the Fourth Proportional to 1,563,649.20, 2,156,723.52 and 1,435,003.14

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Solution

The fourth proportional to 1,563,649.20, 2,156,723.52 and 1,435,003.14 is: 1,979,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,649.20 : 2,156,723.52 = 1,435,003.14 : x
  2. Step 2: Convert to fraction form
    1,563,649.20/2,156,723.52 = 1,435,003.14/x
  3. Step 3: Cross multiply
    1,563,649.20x = 2,156,723.52 × 1,435,003.14
  4. Step 4: Simplify right side
    1,563,649.20x = 3,094,905,023,311.85
  5. Step 5: Solve for x
    x = 3,094,905,023,311.85/1,563,649.20
  6. Step 6: Final answer
    x = 1,979,283.48

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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.