Home / 1,452,171.60-2,178,257.40-1,397,059.20

Finding the Fourth Proportional to 1,452,171.60, 2,178,257.40 and 1,397,059.20

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Solution

The fourth proportional to 1,452,171.60, 2,178,257.40 and 1,397,059.20 is: 2,095,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,171.60 : 2,178,257.40 = 1,397,059.20 : x
  2. Step 2: Convert to fraction form
    1,452,171.60/2,178,257.40 = 1,397,059.20/x
  3. Step 3: Cross multiply
    1,452,171.60x = 2,178,257.40 × 1,397,059.20
  4. Step 4: Simplify right side
    1,452,171.60x = 3,043,154,540,638.08
  5. Step 5: Solve for x
    x = 3,043,154,540,638.08/1,452,171.60
  6. Step 6: Final answer
    x = 2,095,588.80

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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.