Home / 3,316,383.90-4,974,019.38-920,471.94

Finding the Fourth Proportional to 3,316,383.90, 4,974,019.38 and 920,471.94

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Solution

The fourth proportional to 3,316,383.90, 4,974,019.38 and 920,471.94 is: 1,380,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,383.90 : 4,974,019.38 = 920,471.94 : x
  2. Step 2: Convert to fraction form
    3,316,383.90/4,974,019.38 = 920,471.94/x
  3. Step 3: Cross multiply
    3,316,383.90x = 4,974,019.38 × 920,471.94
  4. Step 4: Simplify right side
    3,316,383.90x = 4,578,445,268,306.20
  5. Step 5: Solve for x
    x = 4,578,445,268,306.20/3,316,383.90
  6. Step 6: Final answer
    x = 1,380,553.46

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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.