Home / 2,391,102.72-3,586,420.80-685,184.40

Finding the Fourth Proportional to 2,391,102.72, 3,586,420.80 and 685,184.40

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Solution

The fourth proportional to 2,391,102.72, 3,586,420.80 and 685,184.40 is: 1,027,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,102.72 : 3,586,420.80 = 685,184.40 : x
  2. Step 2: Convert to fraction form
    2,391,102.72/3,586,420.80 = 685,184.40/x
  3. Step 3: Cross multiply
    2,391,102.72x = 3,586,420.80 × 685,184.40
  4. Step 4: Simplify right side
    2,391,102.72x = 2,457,359,583,995.52
  5. Step 5: Solve for x
    x = 2,457,359,583,995.52/2,391,102.72
  6. Step 6: Final answer
    x = 1,027,709.75

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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.