Home / 3,270,539.36-4,905,435.30-874,570.78

Finding the Fourth Proportional to 3,270,539.36, 4,905,435.30 and 874,570.78

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Solution

The fourth proportional to 3,270,539.36, 4,905,435.30 and 874,570.78 is: 1,311,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270,539.36 : 4,905,435.30 = 874,570.78 : x
  2. Step 2: Convert to fraction form
    3,270,539.36/4,905,435.30 = 874,570.78/x
  3. Step 3: Cross multiply
    3,270,539.36x = 4,905,435.30 × 874,570.78
  4. Step 4: Simplify right side
    3,270,539.36x = 4,290,150,376,560.53
  5. Step 5: Solve for x
    x = 4,290,150,376,560.53/3,270,539.36
  6. Step 6: Final answer
    x = 1,311,756.23

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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.