Home / 3,280,406.04-4,920,959.52-1,387,338.84

Finding the Fourth Proportional to 3,280,406.04, 4,920,959.52 and 1,387,338.84

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Solution

The fourth proportional to 3,280,406.04, 4,920,959.52 and 1,387,338.84 is: 2,081,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,406.04 : 4,920,959.52 = 1,387,338.84 : x
  2. Step 2: Convert to fraction form
    3,280,406.04/4,920,959.52 = 1,387,338.84/x
  3. Step 3: Cross multiply
    3,280,406.04x = 4,920,959.52 × 1,387,338.84
  4. Step 4: Simplify right side
    3,280,406.04x = 6,827,038,272,163.76
  5. Step 5: Solve for x
    x = 6,827,038,272,163.76/3,280,406.04
  6. Step 6: Final answer
    x = 2,081,156.48

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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.