Home / 1,916,851.19-2,645,262.03-1,057,399.07

Finding the Fourth Proportional to 1,916,851.19, 2,645,262.03 and 1,057,399.07

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Solution

The fourth proportional to 1,916,851.19, 2,645,262.03 and 1,057,399.07 is: 1,459,214.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,851.19 : 2,645,262.03 = 1,057,399.07 : x
  2. Step 2: Convert to fraction form
    1,916,851.19/2,645,262.03 = 1,057,399.07/x
  3. Step 3: Cross multiply
    1,916,851.19x = 2,645,262.03 × 1,057,399.07
  4. Step 4: Simplify right side
    1,916,851.19x = 2,797,097,597,202.00
  5. Step 5: Solve for x
    x = 2,797,097,597,202.00/1,916,851.19
  6. Step 6: Final answer
    x = 1,459,214.79

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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.