Home / 3,172,472.69-4,378,037.99-1,758,019.59

Finding the Fourth Proportional to 3,172,472.69, 4,378,037.99 and 1,758,019.59

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Solution

The fourth proportional to 3,172,472.69, 4,378,037.99 and 1,758,019.59 is: 2,426,081.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,472.69 : 4,378,037.99 = 1,758,019.59 : x
  2. Step 2: Convert to fraction form
    3,172,472.69/4,378,037.99 = 1,758,019.59/x
  3. Step 3: Cross multiply
    3,172,472.69x = 4,378,037.99 × 1,758,019.59
  4. Step 4: Simplify right side
    3,172,472.69x = 7,696,676,543,394.13
  5. Step 5: Solve for x
    x = 7,696,676,543,394.13/3,172,472.69
  6. Step 6: Final answer
    x = 2,426,081.26

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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.