Home / 2,947,448.51-4,421,172.38-817,532.63

Finding the Fourth Proportional to 2,947,448.51, 4,421,172.38 and 817,532.63

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Solution

The fourth proportional to 2,947,448.51, 4,421,172.38 and 817,532.63 is: 1,226,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,448.51 : 4,421,172.38 = 817,532.63 : x
  2. Step 2: Convert to fraction form
    2,947,448.51/4,421,172.38 = 817,532.63/x
  3. Step 3: Cross multiply
    2,947,448.51x = 4,421,172.38 × 817,532.63
  4. Step 4: Simplify right side
    2,947,448.51x = 3,614,452,661,398.90
  5. Step 5: Solve for x
    x = 3,614,452,661,398.90/2,947,448.51
  6. Step 6: Final answer
    x = 1,226,298.83

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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.