Home / 1,646,110.89-2,271,721.25-920,915.35

Finding the Fourth Proportional to 1,646,110.89, 2,271,721.25 and 920,915.35

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Solution

The fourth proportional to 1,646,110.89, 2,271,721.25 and 920,915.35 is: 1,270,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,110.89 : 2,271,721.25 = 920,915.35 : x
  2. Step 2: Convert to fraction form
    1,646,110.89/2,271,721.25 = 920,915.35/x
  3. Step 3: Cross multiply
    1,646,110.89x = 2,271,721.25 × 920,915.35
  4. Step 4: Simplify right side
    1,646,110.89x = 2,092,062,966,669.17
  5. Step 5: Solve for x
    x = 2,092,062,966,669.17/1,646,110.89
  6. Step 6: Final answer
    x = 1,270,912.54

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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.