Home / 3,306,340.20-4,959,218.70-909,971.40

Finding the Fourth Proportional to 3,306,340.20, 4,959,218.70 and 909,971.40

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Solution

The fourth proportional to 3,306,340.20, 4,959,218.70 and 909,971.40 is: 1,364,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306,340.20 : 4,959,218.70 = 909,971.40 : x
  2. Step 2: Convert to fraction form
    3,306,340.20/4,959,218.70 = 909,971.40/x
  3. Step 3: Cross multiply
    3,306,340.20x = 4,959,218.70 × 909,971.40
  4. Step 4: Simplify right side
    3,306,340.20x = 4,512,747,183,345.18
  5. Step 5: Solve for x
    x = 4,512,747,183,345.18/3,306,340.20
  6. Step 6: Final answer
    x = 1,364,876.85

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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.