Home / 3,261,805.10-4,892,707.65-2,128,064.30

Finding the Fourth Proportional to 3,261,805.10, 4,892,707.65 and 2,128,064.30

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Solution

The fourth proportional to 3,261,805.10, 4,892,707.65 and 2,128,064.30 is: 3,192,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261,805.10 : 4,892,707.65 = 2,128,064.30 : x
  2. Step 2: Convert to fraction form
    3,261,805.10/4,892,707.65 = 2,128,064.30/x
  3. Step 3: Cross multiply
    3,261,805.10x = 4,892,707.65 × 2,128,064.30
  4. Step 4: Simplify right side
    3,261,805.10x = 10,411,996,480,301.89
  5. Step 5: Solve for x
    x = 10,411,996,480,301.89/3,261,805.10
  6. Step 6: Final answer
    x = 3,192,096.45

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Double scale
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Similar ratio
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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.