Home / 3,280,039.04-4,920,408.48-1,386,971.84

Finding the Fourth Proportional to 3,280,039.04, 4,920,408.48 and 1,386,971.84

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Solution

The fourth proportional to 3,280,039.04, 4,920,408.48 and 1,386,971.84 is: 2,080,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,039.04 : 4,920,408.48 = 1,386,971.84 : x
  2. Step 2: Convert to fraction form
    3,280,039.04/4,920,408.48 = 1,386,971.84/x
  3. Step 3: Cross multiply
    3,280,039.04x = 4,920,408.48 × 1,386,971.84
  4. Step 4: Simplify right side
    3,280,039.04x = 6,824,468,003,057.20
  5. Step 5: Solve for x
    x = 6,824,468,003,057.20/3,280,039.04
  6. Step 6: Final answer
    x = 2,080,605.72

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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.