Home / 2,945,254.60-4,417,881.90-2,189,427.40

Finding the Fourth Proportional to 2,945,254.60, 4,417,881.90 and 2,189,427.40

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Solution

The fourth proportional to 2,945,254.60, 4,417,881.90 and 2,189,427.40 is: 3,284,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,254.60 : 4,417,881.90 = 2,189,427.40 : x
  2. Step 2: Convert to fraction form
    2,945,254.60/4,417,881.90 = 2,189,427.40/x
  3. Step 3: Cross multiply
    2,945,254.60x = 4,417,881.90 × 2,189,427.40
  4. Step 4: Simplify right side
    2,945,254.60x = 9,672,631,681,824.06
  5. Step 5: Solve for x
    x = 9,672,631,681,824.06/2,945,254.60
  6. Step 6: Final answer
    x = 3,284,141.10

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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.