Home / 2,870,913.42-4,306,936.32-821,593.17

Finding the Fourth Proportional to 2,870,913.42, 4,306,936.32 and 821,593.17

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Solution

The fourth proportional to 2,870,913.42, 4,306,936.32 and 821,593.17 is: 1,232,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,913.42 : 4,306,936.32 = 821,593.17 : x
  2. Step 2: Convert to fraction form
    2,870,913.42/4,306,936.32 = 821,593.17/x
  3. Step 3: Cross multiply
    2,870,913.42x = 4,306,936.32 × 821,593.17
  4. Step 4: Simplify right side
    2,870,913.42x = 3,538,549,464,136.94
  5. Step 5: Solve for x
    x = 3,538,549,464,136.94/2,870,913.42
  6. Step 6: Final answer
    x = 1,232,551.79

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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.