Home / 2,709,646.46-4,064,469.74-912,379.48

Finding the Fourth Proportional to 2,709,646.46, 4,064,469.74 and 912,379.48

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Solution

The fourth proportional to 2,709,646.46, 4,064,469.74 and 912,379.48 is: 1,368,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709,646.46 : 4,064,469.74 = 912,379.48 : x
  2. Step 2: Convert to fraction form
    2,709,646.46/4,064,469.74 = 912,379.48/x
  3. Step 3: Cross multiply
    2,709,646.46x = 4,064,469.74 × 912,379.48
  4. Step 4: Simplify right side
    2,709,646.46x = 3,708,338,787,856.94
  5. Step 5: Solve for x
    x = 3,708,338,787,856.94/2,709,646.46
  6. Step 6: Final answer
    x = 1,368,569.24

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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.