Home / 3,280,406.54-4,920,960.27-1,387,339.34

Finding the Fourth Proportional to 3,280,406.54, 4,920,960.27 and 1,387,339.34

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Solution

The fourth proportional to 3,280,406.54, 4,920,960.27 and 1,387,339.34 is: 2,081,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,406.54 : 4,920,960.27 = 1,387,339.34 : x
  2. Step 2: Convert to fraction form
    3,280,406.54/4,920,960.27 = 1,387,339.34/x
  3. Step 3: Cross multiply
    3,280,406.54x = 4,920,960.27 × 1,387,339.34
  4. Step 4: Simplify right side
    3,280,406.54x = 6,827,041,773,148.02
  5. Step 5: Solve for x
    x = 6,827,041,773,148.02/3,280,406.54
  6. Step 6: Final answer
    x = 2,081,157.23

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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.