Home / 3,178,652.01-4,386,509.30-1,728,347.95

Finding the Fourth Proportional to 3,178,652.01, 4,386,509.30 and 1,728,347.95

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Solution

The fourth proportional to 3,178,652.01, 4,386,509.30 and 1,728,347.95 is: 2,385,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,652.01 : 4,386,509.30 = 1,728,347.95 : x
  2. Step 2: Convert to fraction form
    3,178,652.01/4,386,509.30 = 1,728,347.95/x
  3. Step 3: Cross multiply
    3,178,652.01x = 4,386,509.30 × 1,728,347.95
  4. Step 4: Simplify right side
    3,178,652.01x = 7,581,414,356,310.94
  5. Step 5: Solve for x
    x = 7,581,414,356,310.94/3,178,652.01
  6. Step 6: Final answer
    x = 2,385,103.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.