Home / 3,280,319.40-4,920,479.10-1,152,805.80

Finding the Fourth Proportional to 3,280,319.40, 4,920,479.10 and 1,152,805.80

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Solution

The fourth proportional to 3,280,319.40, 4,920,479.10 and 1,152,805.80 is: 1,729,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,319.40 : 4,920,479.10 = 1,152,805.80 : x
  2. Step 2: Convert to fraction form
    3,280,319.40/4,920,479.10 = 1,152,805.80/x
  3. Step 3: Cross multiply
    3,280,319.40x = 4,920,479.10 × 1,152,805.80
  4. Step 4: Simplify right side
    3,280,319.40x = 5,672,356,845,258.78
  5. Step 5: Solve for x
    x = 5,672,356,845,258.78/3,280,319.40
  6. Step 6: Final answer
    x = 1,729,208.70

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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.