Home / 1,681,364.20-2,519,276.10-970,151.80

Finding the Fourth Proportional to 1,681,364.20, 2,519,276.10 and 970,151.80

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Solution

The fourth proportional to 1,681,364.20, 2,519,276.10 and 970,151.80 is: 1,453,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,364.20 : 2,519,276.10 = 970,151.80 : x
  2. Step 2: Convert to fraction form
    1,681,364.20/2,519,276.10 = 970,151.80/x
  3. Step 3: Cross multiply
    1,681,364.20x = 2,519,276.10 × 970,151.80
  4. Step 4: Simplify right side
    1,681,364.20x = 2,444,080,243,111.98
  5. Step 5: Solve for x
    x = 2,444,080,243,111.98/1,681,364.20
  6. Step 6: Final answer
    x = 1,453,629.29

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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.