Home / 2,549,682.42-3,518,582.88-1,388,136.61

Finding the Fourth Proportional to 2,549,682.42, 3,518,582.88 and 1,388,136.61

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Solution

The fourth proportional to 2,549,682.42, 3,518,582.88 and 1,388,136.61 is: 1,915,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549,682.42 : 3,518,582.88 = 1,388,136.61 : x
  2. Step 2: Convert to fraction form
    2,549,682.42/3,518,582.88 = 1,388,136.61/x
  3. Step 3: Cross multiply
    2,549,682.42x = 3,518,582.88 × 1,388,136.61
  4. Step 4: Simplify right side
    2,549,682.42x = 4,884,273,711,047.24
  5. Step 5: Solve for x
    x = 4,884,273,711,047.24/2,549,682.42
  6. Step 6: Final answer
    x = 1,915,640.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.