Home / 1,872,129.60-2,808,194.40-1,853,467.20

Finding the Fourth Proportional to 1,872,129.60, 2,808,194.40 and 1,853,467.20

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Solution

The fourth proportional to 1,872,129.60, 2,808,194.40 and 1,853,467.20 is: 2,780,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,129.60 : 2,808,194.40 = 1,853,467.20 : x
  2. Step 2: Convert to fraction form
    1,872,129.60/2,808,194.40 = 1,853,467.20/x
  3. Step 3: Cross multiply
    1,872,129.60x = 2,808,194.40 × 1,853,467.20
  4. Step 4: Simplify right side
    1,872,129.60x = 5,204,896,211,623.68
  5. Step 5: Solve for x
    x = 5,204,896,211,623.68/1,872,129.60
  6. Step 6: Final answer
    x = 2,780,200.80

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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.