Home / 2,175,121.40-3,256,230.90-1,616,631.80

Finding the Fourth Proportional to 2,175,121.40, 3,256,230.90 and 1,616,631.80

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Solution

The fourth proportional to 2,175,121.40, 3,256,230.90 and 1,616,631.80 is: 2,420,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,121.40 : 3,256,230.90 = 1,616,631.80 : x
  2. Step 2: Convert to fraction form
    2,175,121.40/3,256,230.90 = 1,616,631.80/x
  3. Step 3: Cross multiply
    2,175,121.40x = 3,256,230.90 × 1,616,631.80
  4. Step 4: Simplify right side
    2,175,121.40x = 5,264,126,421,082.62
  5. Step 5: Solve for x
    x = 5,264,126,421,082.62/2,175,121.40
  6. Step 6: Final answer
    x = 2,420,152.93

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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.