Home / 3,157,635.78-4,359,529.89-2,190,427.74

Finding the Fourth Proportional to 3,157,635.78, 4,359,529.89 and 2,190,427.74

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Solution

The fourth proportional to 3,157,635.78, 4,359,529.89 and 2,190,427.74 is: 3,024,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,635.78 : 4,359,529.89 = 2,190,427.74 : x
  2. Step 2: Convert to fraction form
    3,157,635.78/4,359,529.89 = 2,190,427.74/x
  3. Step 3: Cross multiply
    3,157,635.78x = 4,359,529.89 × 2,190,427.74
  4. Step 4: Simplify right side
    3,157,635.78x = 9,549,235,204,415.15
  5. Step 5: Solve for x
    x = 9,549,235,204,415.15/3,157,635.78
  6. Step 6: Final answer
    x = 3,024,172.47

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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.