Home / 3,537,400.80-5,302,990.80-2,118,021.60

Finding the Fourth Proportional to 3,537,400.80, 5,302,990.80 and 2,118,021.60

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Solution

The fourth proportional to 3,537,400.80, 5,302,990.80 and 2,118,021.60 is: 3,175,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537,400.80 : 5,302,990.80 = 2,118,021.60 : x
  2. Step 2: Convert to fraction form
    3,537,400.80/5,302,990.80 = 2,118,021.60/x
  3. Step 3: Cross multiply
    3,537,400.80x = 5,302,990.80 × 2,118,021.60
  4. Step 4: Simplify right side
    3,537,400.80x = 11,231,849,059,001.28
  5. Step 5: Solve for x
    x = 11,231,849,059,001.28/3,537,400.80
  6. Step 6: Final answer
    x = 3,175,170.05

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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.