Home / 1,970,828.88-2,719,751.38-1,099,700.28

Finding the Fourth Proportional to 1,970,828.88, 2,719,751.38 and 1,099,700.28

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Solution

The fourth proportional to 1,970,828.88, 2,719,751.38 and 1,099,700.28 is: 1,517,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,828.88 : 2,719,751.38 = 1,099,700.28 : x
  2. Step 2: Convert to fraction form
    1,970,828.88/2,719,751.38 = 1,099,700.28/x
  3. Step 3: Cross multiply
    1,970,828.88x = 2,719,751.38 × 1,099,700.28
  4. Step 4: Simplify right side
    1,970,828.88x = 2,990,911,354,116.39
  5. Step 5: Solve for x
    x = 2,990,911,354,116.39/1,970,828.88
  6. Step 6: Final answer
    x = 1,517,590.59

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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.