Home / 2,856,643.97-4,286,167.95-1,778,058.63

Finding the Fourth Proportional to 2,856,643.97, 4,286,167.95 and 1,778,058.63

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Solution

The fourth proportional to 2,856,643.97, 4,286,167.95 and 1,778,058.63 is: 2,667,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,643.97 : 4,286,167.95 = 1,778,058.63 : x
  2. Step 2: Convert to fraction form
    2,856,643.97/4,286,167.95 = 1,778,058.63/x
  3. Step 3: Cross multiply
    2,856,643.97x = 4,286,167.95 × 1,778,058.63
  4. Step 4: Simplify right side
    2,856,643.97x = 7,621,057,904,009.87
  5. Step 5: Solve for x
    x = 7,621,057,904,009.87/2,856,643.97
  6. Step 6: Final answer
    x = 2,667,836.10

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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.