Home / 3,280,608.80-4,921,690.80-1,683,418.40

Finding the Fourth Proportional to 3,280,608.80, 4,921,690.80 and 1,683,418.40

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Solution

The fourth proportional to 3,280,608.80, 4,921,690.80 and 1,683,418.40 is: 2,525,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,608.80 : 4,921,690.80 = 1,683,418.40 : x
  2. Step 2: Convert to fraction form
    3,280,608.80/4,921,690.80 = 1,683,418.40/x
  3. Step 3: Cross multiply
    3,280,608.80x = 4,921,690.80 × 1,683,418.40
  4. Step 4: Simplify right side
    3,280,608.80x = 8,285,264,851,830.72
  5. Step 5: Solve for x
    x = 8,285,264,851,830.72/3,280,608.80
  6. Step 6: Final answer
    x = 2,525,526.62

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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.