Home / 3,578,143.52-5,367,190.64-1,448,196.89

Finding the Fourth Proportional to 3,578,143.52, 5,367,190.64 and 1,448,196.89

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Solution

The fourth proportional to 3,578,143.52, 5,367,190.64 and 1,448,196.89 is: 2,172,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,143.52 : 5,367,190.64 = 1,448,196.89 : x
  2. Step 2: Convert to fraction form
    3,578,143.52/5,367,190.64 = 1,448,196.89/x
  3. Step 3: Cross multiply
    3,578,143.52x = 5,367,190.64 × 1,448,196.89
  4. Step 4: Simplify right side
    3,578,143.52x = 7,772,748,758,808.17
  5. Step 5: Solve for x
    x = 7,772,748,758,808.17/3,578,143.52
  6. Step 6: Final answer
    x = 2,172,285.36

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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.