Home / 2,118,186.03-3,175,493.27-919,205.13

Finding the Fourth Proportional to 2,118,186.03, 3,175,493.27 and 919,205.13

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Solution

The fourth proportional to 2,118,186.03, 3,175,493.27 and 919,205.13 is: 1,378,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,186.03 : 3,175,493.27 = 919,205.13 : x
  2. Step 2: Convert to fraction form
    2,118,186.03/3,175,493.27 = 919,205.13/x
  3. Step 3: Cross multiply
    2,118,186.03x = 3,175,493.27 × 919,205.13
  4. Step 4: Simplify right side
    2,118,186.03x = 2,918,929,699,468.45
  5. Step 5: Solve for x
    x = 2,918,929,699,468.45/2,118,186.03
  6. Step 6: Final answer
    x = 1,378,032.74

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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.