Home / 5,480,931.60-8,221,397.40-2,641,330.80

Finding the Fourth Proportional to 5,480,931.60, 8,221,397.40 and 2,641,330.80

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Solution

The fourth proportional to 5,480,931.60, 8,221,397.40 and 2,641,330.80 is: 3,961,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480,931.60 : 8,221,397.40 = 2,641,330.80 : x
  2. Step 2: Convert to fraction form
    5,480,931.60/8,221,397.40 = 2,641,330.80/x
  3. Step 3: Cross multiply
    5,480,931.60x = 8,221,397.40 × 2,641,330.80
  4. Step 4: Simplify right side
    5,480,931.60x = 21,715,430,171,659.92
  5. Step 5: Solve for x
    x = 21,715,430,171,659.92/5,480,931.60
  6. Step 6: Final answer
    x = 3,961,996.20

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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.