Home / 1,385,218.92-1,907,338.14-1,180,811.64

Finding the Fourth Proportional to 1,385,218.92, 1,907,338.14 and 1,180,811.64

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Solution

The fourth proportional to 1,385,218.92, 1,907,338.14 and 1,180,811.64 is: 1,625,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,218.92 : 1,907,338.14 = 1,180,811.64 : x
  2. Step 2: Convert to fraction form
    1,385,218.92/1,907,338.14 = 1,180,811.64/x
  3. Step 3: Cross multiply
    1,385,218.92x = 1,907,338.14 × 1,180,811.64
  4. Step 4: Simplify right side
    1,385,218.92x = 2,252,207,077,127.95
  5. Step 5: Solve for x
    x = 2,252,207,077,127.95/1,385,218.92
  6. Step 6: Final answer
    x = 1,625,885.30

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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.