Home / 1,917,298.72-2,645,400.48-1,172,036.32

Finding the Fourth Proportional to 1,917,298.72, 2,645,400.48 and 1,172,036.32

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Solution

The fourth proportional to 1,917,298.72, 2,645,400.48 and 1,172,036.32 is: 1,617,121.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,298.72 : 2,645,400.48 = 1,172,036.32 : x
  2. Step 2: Convert to fraction form
    1,917,298.72/2,645,400.48 = 1,172,036.32/x
  3. Step 3: Cross multiply
    1,917,298.72x = 2,645,400.48 × 1,172,036.32
  4. Step 4: Simplify right side
    1,917,298.72x = 3,100,505,443,505.43
  5. Step 5: Solve for x
    x = 3,100,505,443,505.43/1,917,298.72
  6. Step 6: Final answer
    x = 1,617,121.74

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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.