Home / 3,139,614.40-4,709,767.20-1,145,502.40

Finding the Fourth Proportional to 3,139,614.40, 4,709,767.20 and 1,145,502.40

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Solution

The fourth proportional to 3,139,614.40, 4,709,767.20 and 1,145,502.40 is: 1,718,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,614.40 : 4,709,767.20 = 1,145,502.40 : x
  2. Step 2: Convert to fraction form
    3,139,614.40/4,709,767.20 = 1,145,502.40/x
  3. Step 3: Cross multiply
    3,139,614.40x = 4,709,767.20 × 1,145,502.40
  4. Step 4: Simplify right side
    3,139,614.40x = 5,395,049,631,041.28
  5. Step 5: Solve for x
    x = 5,395,049,631,041.28/3,139,614.40
  6. Step 6: Final answer
    x = 1,718,379.69

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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.