Home / 2,258,133.49-3,116,185.11-1,225,619.12

Finding the Fourth Proportional to 2,258,133.49, 3,116,185.11 and 1,225,619.12

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Solution

The fourth proportional to 2,258,133.49, 3,116,185.11 and 1,225,619.12 is: 1,691,333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258,133.49 : 3,116,185.11 = 1,225,619.12 : x
  2. Step 2: Convert to fraction form
    2,258,133.49/3,116,185.11 = 1,225,619.12/x
  3. Step 3: Cross multiply
    2,258,133.49x = 3,116,185.11 × 1,225,619.12
  4. Step 4: Simplify right side
    2,258,133.49x = 3,819,256,041,748.25
  5. Step 5: Solve for x
    x = 3,819,256,041,748.25/2,258,133.49
  6. Step 6: Final answer
    x = 1,691,333.16

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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.