Home / 5,275,187.96-7,911,674.75-1,487,785.10

Finding the Fourth Proportional to 5,275,187.96, 7,911,674.75 and 1,487,785.10

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Solution

The fourth proportional to 5,275,187.96, 7,911,674.75 and 1,487,785.10 is: 2,231,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,187.96 : 7,911,674.75 = 1,487,785.10 : x
  2. Step 2: Convert to fraction form
    5,275,187.96/7,911,674.75 = 1,487,785.10/x
  3. Step 3: Cross multiply
    5,275,187.96x = 7,911,674.75 × 1,487,785.10
  4. Step 4: Simplify right side
    5,275,187.96x = 11,770,871,809,096.23
  5. Step 5: Solve for x
    x = 11,770,871,809,096.23/5,275,187.96
  6. Step 6: Final answer
    x = 2,231,365.38

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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.