Home / 3,456,005.40-5,184,008.10-931,915.80

Finding the Fourth Proportional to 3,456,005.40, 5,184,008.10 and 931,915.80

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Solution

The fourth proportional to 3,456,005.40, 5,184,008.10 and 931,915.80 is: 1,397,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,005.40 : 5,184,008.10 = 931,915.80 : x
  2. Step 2: Convert to fraction form
    3,456,005.40/5,184,008.10 = 931,915.80/x
  3. Step 3: Cross multiply
    3,456,005.40x = 5,184,008.10 × 931,915.80
  4. Step 4: Simplify right side
    3,456,005.40x = 4,831,059,055,717.98
  5. Step 5: Solve for x
    x = 4,831,059,055,717.98/3,456,005.40
  6. Step 6: Final answer
    x = 1,397,873.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.