Home / 3,743,490.40-5,615,235.60-1,219,400.80

Finding the Fourth Proportional to 3,743,490.40, 5,615,235.60 and 1,219,400.80

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Solution

The fourth proportional to 3,743,490.40, 5,615,235.60 and 1,219,400.80 is: 1,829,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743,490.40 : 5,615,235.60 = 1,219,400.80 : x
  2. Step 2: Convert to fraction form
    3,743,490.40/5,615,235.60 = 1,219,400.80/x
  3. Step 3: Cross multiply
    3,743,490.40x = 5,615,235.60 × 1,219,400.80
  4. Step 4: Simplify right side
    3,743,490.40x = 6,847,222,782,828.48
  5. Step 5: Solve for x
    x = 6,847,222,782,828.48/3,743,490.40
  6. Step 6: Final answer
    x = 1,829,101.20

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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.