Home / 1,969,851.29-2,717,769.38-1,555,073.10

Finding the Fourth Proportional to 1,969,851.29, 2,717,769.38 and 1,555,073.10

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Solution

The fourth proportional to 1,969,851.29, 2,717,769.38 and 1,555,073.10 is: 2,145,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,851.29 : 2,717,769.38 = 1,555,073.10 : x
  2. Step 2: Convert to fraction form
    1,969,851.29/2,717,769.38 = 1,555,073.10/x
  3. Step 3: Cross multiply
    1,969,851.29x = 2,717,769.38 × 1,555,073.10
  4. Step 4: Simplify right side
    1,969,851.29x = 4,226,330,047,066.31
  5. Step 5: Solve for x
    x = 4,226,330,047,066.31/1,969,851.29
  6. Step 6: Final answer
    x = 2,145,507.17

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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.