Home / 2,912,104.28-4,018,707.06-1,622,915.48

Finding the Fourth Proportional to 2,912,104.28, 4,018,707.06 and 1,622,915.48

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Solution

The fourth proportional to 2,912,104.28, 4,018,707.06 and 1,622,915.48 is: 2,239,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,104.28 : 4,018,707.06 = 1,622,915.48 : x
  2. Step 2: Convert to fraction form
    2,912,104.28/4,018,707.06 = 1,622,915.48/x
  3. Step 3: Cross multiply
    2,912,104.28x = 4,018,707.06 × 1,622,915.48
  4. Step 4: Simplify right side
    2,912,104.28x = 6,522,021,897,259.29
  5. Step 5: Solve for x
    x = 6,522,021,897,259.29/2,912,104.28
  6. Step 6: Final answer
    x = 2,239,625.12

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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.