Home / 3,572,021.60-5,358,032.40-3,211,215.20

Finding the Fourth Proportional to 3,572,021.60, 5,358,032.40 and 3,211,215.20

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Solution

The fourth proportional to 3,572,021.60, 5,358,032.40 and 3,211,215.20 is: 4,816,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572,021.60 : 5,358,032.40 = 3,211,215.20 : x
  2. Step 2: Convert to fraction form
    3,572,021.60/5,358,032.40 = 3,211,215.20/x
  3. Step 3: Cross multiply
    3,572,021.60x = 5,358,032.40 × 3,211,215.20
  4. Step 4: Simplify right side
    3,572,021.60x = 17,205,795,084,972.48
  5. Step 5: Solve for x
    x = 17,205,795,084,972.48/3,572,021.60
  6. Step 6: Final answer
    x = 4,816,822.80

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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.