Home / 1,216,915.80-1,825,373.70-1,100,794.20

Finding the Fourth Proportional to 1,216,915.80, 1,825,373.70 and 1,100,794.20

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Solution

The fourth proportional to 1,216,915.80, 1,825,373.70 and 1,100,794.20 is: 1,651,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,915.80 : 1,825,373.70 = 1,100,794.20 : x
  2. Step 2: Convert to fraction form
    1,216,915.80/1,825,373.70 = 1,100,794.20/x
  3. Step 3: Cross multiply
    1,216,915.80x = 1,825,373.70 × 1,100,794.20
  4. Step 4: Simplify right side
    1,216,915.80x = 2,009,360,781,792.54
  5. Step 5: Solve for x
    x = 2,009,360,781,792.54/1,216,915.80
  6. Step 6: Final answer
    x = 1,651,191.30

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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.