Home / 3,119,333.10-4,678,999.65-875,471.10

Finding the Fourth Proportional to 3,119,333.10, 4,678,999.65 and 875,471.10

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Solution

The fourth proportional to 3,119,333.10, 4,678,999.65 and 875,471.10 is: 1,313,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,333.10 : 4,678,999.65 = 875,471.10 : x
  2. Step 2: Convert to fraction form
    3,119,333.10/4,678,999.65 = 875,471.10/x
  3. Step 3: Cross multiply
    3,119,333.10x = 4,678,999.65 × 875,471.10
  4. Step 4: Simplify right side
    3,119,333.10x = 4,096,328,970,485.12
  5. Step 5: Solve for x
    x = 4,096,328,970,485.12/3,119,333.10
  6. Step 6: Final answer
    x = 1,313,206.65

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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.