Home / 2,154,055.31-2,972,713.26-1,236,277.11

Finding the Fourth Proportional to 2,154,055.31, 2,972,713.26 and 1,236,277.11

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Solution

The fourth proportional to 2,154,055.31, 2,972,713.26 and 1,236,277.11 is: 1,706,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,055.31 : 2,972,713.26 = 1,236,277.11 : x
  2. Step 2: Convert to fraction form
    2,154,055.31/2,972,713.26 = 1,236,277.11/x
  3. Step 3: Cross multiply
    2,154,055.31x = 2,972,713.26 × 1,236,277.11
  4. Step 4: Simplify right side
    2,154,055.31x = 3,675,097,357,931.48
  5. Step 5: Solve for x
    x = 3,675,097,357,931.48/2,154,055.31
  6. Step 6: Final answer
    x = 1,706,129.53

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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.