Home / 5,254,711.20-7,882,066.80-1,889,258.40

Finding the Fourth Proportional to 5,254,711.20, 7,882,066.80 and 1,889,258.40

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Solution

The fourth proportional to 5,254,711.20, 7,882,066.80 and 1,889,258.40 is: 2,833,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254,711.20 : 7,882,066.80 = 1,889,258.40 : x
  2. Step 2: Convert to fraction form
    5,254,711.20/7,882,066.80 = 1,889,258.40/x
  3. Step 3: Cross multiply
    5,254,711.20x = 7,882,066.80 × 1,889,258.40
  4. Step 4: Simplify right side
    5,254,711.20x = 14,891,260,911,261.12
  5. Step 5: Solve for x
    x = 14,891,260,911,261.12/5,254,711.20
  6. Step 6: Final answer
    x = 2,833,887.60

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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.