Home / 2,945,159.60-4,417,247.33-815,459

Finding the Fourth Proportional to 2,945,159.60, 4,417,247.33 and 815,459

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Solution

The fourth proportional to 2,945,159.60, 4,417,247.33 and 815,459 is: 1,223,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,159.60 : 4,417,247.33 = 815,459 : x
  2. Step 2: Convert to fraction form
    2,945,159.60/4,417,247.33 = 815,459/x
  3. Step 3: Cross multiply
    2,945,159.60x = 4,417,247.33 × 815,459
  4. Step 4: Simplify right side
    2,945,159.60x = 3,602,084,090,474.47
  5. Step 5: Solve for x
    x = 3,602,084,090,474.47/2,945,159.60
  6. Step 6: Final answer
    x = 1,223,052.26

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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.