Home / 2,551,221.28-3,520,685.56-1,405,301.63

Finding the Fourth Proportional to 2,551,221.28, 3,520,685.56 and 1,405,301.63

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Solution

The fourth proportional to 2,551,221.28, 3,520,685.56 and 1,405,301.63 is: 1,939,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,221.28 : 3,520,685.56 = 1,405,301.63 : x
  2. Step 2: Convert to fraction form
    2,551,221.28/3,520,685.56 = 1,405,301.63/x
  3. Step 3: Cross multiply
    2,551,221.28x = 3,520,685.56 × 1,405,301.63
  4. Step 4: Simplify right side
    2,551,221.28x = 4,947,625,156,185.46
  5. Step 5: Solve for x
    x = 4,947,625,156,185.46/2,551,221.28
  6. Step 6: Final answer
    x = 1,939,316.36

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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.