Home / 2,116,961.07-2,921,195.45-1,199,007.05

Finding the Fourth Proportional to 2,116,961.07, 2,921,195.45 and 1,199,007.05

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Solution

The fourth proportional to 2,116,961.07, 2,921,195.45 and 1,199,007.05 is: 1,654,510.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,961.07 : 2,921,195.45 = 1,199,007.05 : x
  2. Step 2: Convert to fraction form
    2,116,961.07/2,921,195.45 = 1,199,007.05/x
  3. Step 3: Cross multiply
    2,116,961.07x = 2,921,195.45 × 1,199,007.05
  4. Step 4: Simplify right side
    2,116,961.07x = 3,502,533,918,376.91
  5. Step 5: Solve for x
    x = 3,502,533,918,376.91/2,116,961.07
  6. Step 6: Final answer
    x = 1,654,510.31

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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.