Home / 5,216,114.40-7,824,171.60-4,320,319.20

Finding the Fourth Proportional to 5,216,114.40, 7,824,171.60 and 4,320,319.20

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Solution

The fourth proportional to 5,216,114.40, 7,824,171.60 and 4,320,319.20 is: 6,480,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,114.40 : 7,824,171.60 = 4,320,319.20 : x
  2. Step 2: Convert to fraction form
    5,216,114.40/7,824,171.60 = 4,320,319.20/x
  3. Step 3: Cross multiply
    5,216,114.40x = 7,824,171.60 × 4,320,319.20
  4. Step 4: Simplify right side
    5,216,114.40x = 33,802,918,787,574.72
  5. Step 5: Solve for x
    x = 33,802,918,787,574.72/5,216,114.40
  6. Step 6: Final answer
    x = 6,480,478.80

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Similar ratio
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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.