Home / 3,896,678.21-5,377,565.49-2,587,667.22

Finding the Fourth Proportional to 3,896,678.21, 5,377,565.49 and 2,587,667.22

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Solution

The fourth proportional to 3,896,678.21, 5,377,565.49 and 2,587,667.22 is: 3,571,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,678.21 : 5,377,565.49 = 2,587,667.22 : x
  2. Step 2: Convert to fraction form
    3,896,678.21/5,377,565.49 = 2,587,667.22/x
  3. Step 3: Cross multiply
    3,896,678.21x = 5,377,565.49 × 2,587,667.22
  4. Step 4: Simplify right side
    3,896,678.21x = 13,915,349,941,876.24
  5. Step 5: Solve for x
    x = 13,915,349,941,876.24/3,896,678.21
  6. Step 6: Final answer
    x = 3,571,080.08

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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.