Home / 1,907,810.20-2,861,715.30-487,977.40

Finding the Fourth Proportional to 1,907,810.20, 2,861,715.30 and 487,977.40

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Solution

The fourth proportional to 1,907,810.20, 2,861,715.30 and 487,977.40 is: 731,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,810.20 : 2,861,715.30 = 487,977.40 : x
  2. Step 2: Convert to fraction form
    1,907,810.20/2,861,715.30 = 487,977.40/x
  3. Step 3: Cross multiply
    1,907,810.20x = 2,861,715.30 × 487,977.40
  4. Step 4: Simplify right side
    1,907,810.20x = 1,396,452,391,634.22
  5. Step 5: Solve for x
    x = 1,396,452,391,634.22/1,907,810.20
  6. Step 6: Final answer
    x = 731,966.10

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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.