Home / 3,018,283.72-4,165,228.53-1,729,129.23

Finding the Fourth Proportional to 3,018,283.72, 4,165,228.53 and 1,729,129.23

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Solution

The fourth proportional to 3,018,283.72, 4,165,228.53 and 1,729,129.23 is: 2,386,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018,283.72 : 4,165,228.53 = 1,729,129.23 : x
  2. Step 2: Convert to fraction form
    3,018,283.72/4,165,228.53 = 1,729,129.23/x
  3. Step 3: Cross multiply
    3,018,283.72x = 4,165,228.53 × 1,729,129.23
  4. Step 4: Simplify right side
    3,018,283.72x = 7,202,218,400,852.93
  5. Step 5: Solve for x
    x = 7,202,218,400,852.93/3,018,283.72
  6. Step 6: Final answer
    x = 2,386,196.62

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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.