Home / 3,315,034.96-4,972,589.33-918,900.32

Finding the Fourth Proportional to 3,315,034.96, 4,972,589.33 and 918,900.32

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Solution

The fourth proportional to 3,315,034.96, 4,972,589.33 and 918,900.32 is: 1,378,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,034.96 : 4,972,589.33 = 918,900.32 : x
  2. Step 2: Convert to fraction form
    3,315,034.96/4,972,589.33 = 918,900.32/x
  3. Step 3: Cross multiply
    3,315,034.96x = 4,972,589.33 × 918,900.32
  4. Step 4: Simplify right side
    3,315,034.96x = 4,569,313,897,108.14
  5. Step 5: Solve for x
    x = 4,569,313,897,108.14/3,315,034.96
  6. Step 6: Final answer
    x = 1,378,360.70

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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.