Home / 2,585,168.80-3,869,458.80-1,838,672.80

Finding the Fourth Proportional to 2,585,168.80, 3,869,458.80 and 1,838,672.80

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Solution

The fourth proportional to 2,585,168.80, 3,869,458.80 and 1,838,672.80 is: 2,752,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,168.80 : 3,869,458.80 = 1,838,672.80 : x
  2. Step 2: Convert to fraction form
    2,585,168.80/3,869,458.80 = 1,838,672.80/x
  3. Step 3: Cross multiply
    2,585,168.80x = 3,869,458.80 × 1,838,672.80
  4. Step 4: Simplify right side
    2,585,168.80x = 7,114,668,646,280.64
  5. Step 5: Solve for x
    x = 7,114,668,646,280.64/2,585,168.80
  6. Step 6: Final answer
    x = 2,752,109.90

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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.