Home / 5,420,205.60-8,130,308.40-2,223,686.40

Finding the Fourth Proportional to 5,420,205.60, 8,130,308.40 and 2,223,686.40

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Solution

The fourth proportional to 5,420,205.60, 8,130,308.40 and 2,223,686.40 is: 3,335,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,205.60 : 8,130,308.40 = 2,223,686.40 : x
  2. Step 2: Convert to fraction form
    5,420,205.60/8,130,308.40 = 2,223,686.40/x
  3. Step 3: Cross multiply
    5,420,205.60x = 8,130,308.40 × 2,223,686.40
  4. Step 4: Simplify right side
    5,420,205.60x = 18,079,256,216,885.76
  5. Step 5: Solve for x
    x = 18,079,256,216,885.76/5,420,205.60
  6. Step 6: Final answer
    x = 3,335,529.60

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Similar ratio
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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.