Home / 5,180,320.40-7,770,480.60-4,046,579.60

Finding the Fourth Proportional to 5,180,320.40, 7,770,480.60 and 4,046,579.60

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Solution

The fourth proportional to 5,180,320.40, 7,770,480.60 and 4,046,579.60 is: 6,069,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,320.40 : 7,770,480.60 = 4,046,579.60 : x
  2. Step 2: Convert to fraction form
    5,180,320.40/7,770,480.60 = 4,046,579.60/x
  3. Step 3: Cross multiply
    5,180,320.40x = 7,770,480.60 × 4,046,579.60
  4. Step 4: Simplify right side
    5,180,320.40x = 31,443,868,278,155.76
  5. Step 5: Solve for x
    x = 31,443,868,278,155.76/5,180,320.40
  6. Step 6: Final answer
    x = 6,069,869.40

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1.5x scale

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.