Home / 1,891,915.20-2,839,255.20-1,332,043.20

Finding the Fourth Proportional to 1,891,915.20, 2,839,255.20 and 1,332,043.20

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Solution

The fourth proportional to 1,891,915.20, 2,839,255.20 and 1,332,043.20 is: 1,999,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,915.20 : 2,839,255.20 = 1,332,043.20 : x
  2. Step 2: Convert to fraction form
    1,891,915.20/2,839,255.20 = 1,332,043.20/x
  3. Step 3: Cross multiply
    1,891,915.20x = 2,839,255.20 × 1,332,043.20
  4. Step 4: Simplify right side
    1,891,915.20x = 3,782,010,582,224.64
  5. Step 5: Solve for x
    x = 3,782,010,582,224.64/1,891,915.20
  6. Step 6: Final answer
    x = 1,999,038.11

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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.