Home / 1,929,730.28-2,659,951.86-1,521,166.28

Finding the Fourth Proportional to 1,929,730.28, 2,659,951.86 and 1,521,166.28

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Solution

The fourth proportional to 1,929,730.28, 2,659,951.86 and 1,521,166.28 is: 2,096,784.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,730.28 : 2,659,951.86 = 1,521,166.28 : x
  2. Step 2: Convert to fraction form
    1,929,730.28/2,659,951.86 = 1,521,166.28/x
  3. Step 3: Cross multiply
    1,929,730.28x = 2,659,951.86 × 1,521,166.28
  4. Step 4: Simplify right side
    1,929,730.28x = 4,046,229,075,855.28
  5. Step 5: Solve for x
    x = 4,046,229,075,855.28/1,929,730.28
  6. Step 6: Final answer
    x = 2,096,784.78

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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.