Home / 4,079,689.60-6,119,275.20-1,384,009.60

Finding the Fourth Proportional to 4,079,689.60, 6,119,275.20 and 1,384,009.60

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Solution

The fourth proportional to 4,079,689.60, 6,119,275.20 and 1,384,009.60 is: 2,075,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079,689.60 : 6,119,275.20 = 1,384,009.60 : x
  2. Step 2: Convert to fraction form
    4,079,689.60/6,119,275.20 = 1,384,009.60/x
  3. Step 3: Cross multiply
    4,079,689.60x = 6,119,275.20 × 1,384,009.60
  4. Step 4: Simplify right side
    4,079,689.60x = 8,469,135,621,841.92
  5. Step 5: Solve for x
    x = 8,469,135,621,841.92/4,079,689.60
  6. Step 6: Final answer
    x = 2,075,926.47

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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.