Home / 1,681,197.90-2,522,124.90-670,147.80

Finding the Fourth Proportional to 1,681,197.90, 2,522,124.90 and 670,147.80

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Solution

The fourth proportional to 1,681,197.90, 2,522,124.90 and 670,147.80 is: 1,005,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,197.90 : 2,522,124.90 = 670,147.80 : x
  2. Step 2: Convert to fraction form
    1,681,197.90/2,522,124.90 = 670,147.80/x
  3. Step 3: Cross multiply
    1,681,197.90x = 2,522,124.90 × 670,147.80
  4. Step 4: Simplify right side
    1,681,197.90x = 1,690,196,453,060.22
  5. Step 5: Solve for x
    x = 1,690,196,453,060.22/1,681,197.90
  6. Step 6: Final answer
    x = 1,005,352.47

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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.