Home / 1,569,147.60-2,353,721.40-1,214,416.20

Finding the Fourth Proportional to 1,569,147.60, 2,353,721.40 and 1,214,416.20

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Solution

The fourth proportional to 1,569,147.60, 2,353,721.40 and 1,214,416.20 is: 1,821,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,147.60 : 2,353,721.40 = 1,214,416.20 : x
  2. Step 2: Convert to fraction form
    1,569,147.60/2,353,721.40 = 1,214,416.20/x
  3. Step 3: Cross multiply
    1,569,147.60x = 2,353,721.40 × 1,214,416.20
  4. Step 4: Simplify right side
    1,569,147.60x = 2,858,397,398,446.68
  5. Step 5: Solve for x
    x = 2,858,397,398,446.68/1,569,147.60
  6. Step 6: Final answer
    x = 1,821,624.30

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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.