Home / 1,907,864.20-2,861,796.30-488,031.40

Finding the Fourth Proportional to 1,907,864.20, 2,861,796.30 and 488,031.40

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Solution

The fourth proportional to 1,907,864.20, 2,861,796.30 and 488,031.40 is: 732,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,864.20 : 2,861,796.30 = 488,031.40 : x
  2. Step 2: Convert to fraction form
    1,907,864.20/2,861,796.30 = 488,031.40/x
  3. Step 3: Cross multiply
    1,907,864.20x = 2,861,796.30 × 488,031.40
  4. Step 4: Simplify right side
    1,907,864.20x = 1,396,646,454,803.82
  5. Step 5: Solve for x
    x = 1,396,646,454,803.82/1,907,864.20
  6. Step 6: Final answer
    x = 732,047.10

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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.