Home / 3,817,878.20-5,726,685.18-978,018.20

Finding the Fourth Proportional to 3,817,878.20, 5,726,685.18 and 978,018.20

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Solution

The fourth proportional to 3,817,878.20, 5,726,685.18 and 978,018.20 is: 1,466,993.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817,878.20 : 5,726,685.18 = 978,018.20 : x
  2. Step 2: Convert to fraction form
    3,817,878.20/5,726,685.18 = 978,018.20/x
  3. Step 3: Cross multiply
    3,817,878.20x = 5,726,685.18 × 978,018.20
  4. Step 4: Simplify right side
    3,817,878.20x = 5,600,802,331,710.28
  5. Step 5: Solve for x
    x = 5,600,802,331,710.28/3,817,878.20
  6. Step 6: Final answer
    x = 1,466,993.46

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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.