Home / 3,107,101.72-4,662,464.10-1,309,875.16

Finding the Fourth Proportional to 3,107,101.72, 4,662,464.10 and 1,309,875.16

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Solution

The fourth proportional to 3,107,101.72, 4,662,464.10 and 1,309,875.16 is: 1,965,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,101.72 : 4,662,464.10 = 1,309,875.16 : x
  2. Step 2: Convert to fraction form
    3,107,101.72/4,662,464.10 = 1,309,875.16/x
  3. Step 3: Cross multiply
    3,107,101.72x = 4,662,464.10 × 1,309,875.16
  4. Step 4: Simplify right side
    3,107,101.72x = 6,107,245,908,981.76
  5. Step 5: Solve for x
    x = 6,107,245,908,981.76/3,107,101.72
  6. Step 6: Final answer
    x = 1,965,576.43

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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.