Home / 2,164,728.51-3,247,617.65-648,408.51

Finding the Fourth Proportional to 2,164,728.51, 3,247,617.65 and 648,408.51

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Solution

The fourth proportional to 2,164,728.51, 3,247,617.65 and 648,408.51 is: 972,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,728.51 : 3,247,617.65 = 648,408.51 : x
  2. Step 2: Convert to fraction form
    2,164,728.51/3,247,617.65 = 648,408.51/x
  3. Step 3: Cross multiply
    2,164,728.51x = 3,247,617.65 × 648,408.51
  4. Step 4: Simplify right side
    2,164,728.51x = 2,105,782,918,244.16
  5. Step 5: Solve for x
    x = 2,105,782,918,244.16/2,164,728.51
  6. Step 6: Final answer
    x = 972,769.98

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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.