Home / 3,280,409.42-4,920,964.58-1,387,342.22

Finding the Fourth Proportional to 3,280,409.42, 4,920,964.58 and 1,387,342.22

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Solution

The fourth proportional to 3,280,409.42, 4,920,964.58 and 1,387,342.22 is: 2,081,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,409.42 : 4,920,964.58 = 1,387,342.22 : x
  2. Step 2: Convert to fraction form
    3,280,409.42/4,920,964.58 = 1,387,342.22/x
  3. Step 3: Cross multiply
    3,280,409.42x = 4,920,964.58 × 1,387,342.22
  4. Step 4: Simplify right side
    3,280,409.42x = 6,827,061,903,822.10
  5. Step 5: Solve for x
    x = 6,827,061,903,822.10/3,280,409.42
  6. Step 6: Final answer
    x = 2,081,161.54

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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.