Home / 5,138,448.90-7,697,209.77-2,434,578.18

Finding the Fourth Proportional to 5,138,448.90, 7,697,209.77 and 2,434,578.18

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Solution

The fourth proportional to 5,138,448.90, 7,697,209.77 and 2,434,578.18 is: 3,646,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,448.90 : 7,697,209.77 = 2,434,578.18 : x
  2. Step 2: Convert to fraction form
    5,138,448.90/7,697,209.77 = 2,434,578.18/x
  3. Step 3: Cross multiply
    5,138,448.90x = 7,697,209.77 × 2,434,578.18
  4. Step 4: Simplify right side
    5,138,448.90x = 18,739,458,952,924.82
  5. Step 5: Solve for x
    x = 18,739,458,952,924.82/5,138,448.90
  6. Step 6: Final answer
    x = 3,646,909.66

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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.