Home / 1,626,618.68-2,243,319.19-1,219,635.80

Finding the Fourth Proportional to 1,626,618.68, 2,243,319.19 and 1,219,635.80

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Solution

The fourth proportional to 1,626,618.68, 2,243,319.19 and 1,219,635.80 is: 1,682,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,618.68 : 2,243,319.19 = 1,219,635.80 : x
  2. Step 2: Convert to fraction form
    1,626,618.68/2,243,319.19 = 1,219,635.80/x
  3. Step 3: Cross multiply
    1,626,618.68x = 2,243,319.19 × 1,219,635.80
  4. Step 4: Simplify right side
    1,626,618.68x = 2,736,032,380,685.32
  5. Step 5: Solve for x
    x = 2,736,032,380,685.32/1,626,618.68
  6. Step 6: Final answer
    x = 1,682,036.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.