Home / 3,247,095.78-4,871,430.96-972,615.78

Finding the Fourth Proportional to 3,247,095.78, 4,871,430.96 and 972,615.78

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Solution

The fourth proportional to 3,247,095.78, 4,871,430.96 and 972,615.78 is: 1,459,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247,095.78 : 4,871,430.96 = 972,615.78 : x
  2. Step 2: Convert to fraction form
    3,247,095.78/4,871,430.96 = 972,615.78/x
  3. Step 3: Cross multiply
    3,247,095.78x = 4,871,430.96 × 972,615.78
  4. Step 4: Simplify right side
    3,247,095.78x = 4,738,030,622,876.55
  5. Step 5: Solve for x
    x = 4,738,030,622,876.55/3,247,095.78
  6. Step 6: Final answer
    x = 1,459,159.49

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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.