Home / 3,270,698.12-4,905,660.81-874,728.45

Finding the Fourth Proportional to 3,270,698.12, 4,905,660.81 and 874,728.45

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Solution

The fourth proportional to 3,270,698.12, 4,905,660.81 and 874,728.45 is: 1,311,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270,698.12 : 4,905,660.81 = 874,728.45 : x
  2. Step 2: Convert to fraction form
    3,270,698.12/4,905,660.81 = 874,728.45/x
  3. Step 3: Cross multiply
    3,270,698.12x = 4,905,660.81 × 874,728.45
  4. Step 4: Simplify right side
    3,270,698.12x = 4,291,121,079,837.28
  5. Step 5: Solve for x
    x = 4,291,121,079,837.28/3,270,698.12
  6. Step 6: Final answer
    x = 1,311,989.34

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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.