Home / 1,861,219.51-2,567,828.86-1,217,016.79

Finding the Fourth Proportional to 1,861,219.51, 2,567,828.86 and 1,217,016.79

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Solution

The fourth proportional to 1,861,219.51, 2,567,828.86 and 1,217,016.79 is: 1,679,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,219.51 : 2,567,828.86 = 1,217,016.79 : x
  2. Step 2: Convert to fraction form
    1,861,219.51/2,567,828.86 = 1,217,016.79/x
  3. Step 3: Cross multiply
    1,861,219.51x = 2,567,828.86 × 1,217,016.79
  4. Step 4: Simplify right side
    1,861,219.51x = 3,125,090,836,466.56
  5. Step 5: Solve for x
    x = 3,125,090,836,466.56/1,861,219.51
  6. Step 6: Final answer
    x = 1,679,055.49

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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.