Home / 2,145,323.88-2,960,400.96-1,178,494.92

Finding the Fourth Proportional to 2,145,323.88, 2,960,400.96 and 1,178,494.92

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Solution

The fourth proportional to 2,145,323.88, 2,960,400.96 and 1,178,494.92 is: 1,626,242.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,323.88 : 2,960,400.96 = 1,178,494.92 : x
  2. Step 2: Convert to fraction form
    2,145,323.88/2,960,400.96 = 1,178,494.92/x
  3. Step 3: Cross multiply
    2,145,323.88x = 2,960,400.96 × 1,178,494.92
  4. Step 4: Simplify right side
    2,145,323.88x = 3,488,817,492,523.12
  5. Step 5: Solve for x
    x = 3,488,817,492,523.12/2,145,323.88
  6. Step 6: Final answer
    x = 1,626,242.79

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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.