Home / 2,155,459.20-3,227,659.20-2,055,926.40

Finding the Fourth Proportional to 2,155,459.20, 3,227,659.20 and 2,055,926.40

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Solution

The fourth proportional to 2,155,459.20, 3,227,659.20 and 2,055,926.40 is: 3,078,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,459.20 : 3,227,659.20 = 2,055,926.40 : x
  2. Step 2: Convert to fraction form
    2,155,459.20/3,227,659.20 = 2,055,926.40/x
  3. Step 3: Cross multiply
    2,155,459.20x = 3,227,659.20 × 2,055,926.40
  4. Step 4: Simplify right side
    2,155,459.20x = 6,635,829,759,482.88
  5. Step 5: Solve for x
    x = 6,635,829,759,482.88/2,155,459.20
  6. Step 6: Final answer
    x = 3,078,615.34

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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.