Home / 2,778,601.32-4,166,241.08-1,071,328.55

Finding the Fourth Proportional to 2,778,601.32, 4,166,241.08 and 1,071,328.55

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Solution

The fourth proportional to 2,778,601.32, 4,166,241.08 and 1,071,328.55 is: 1,606,352.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,601.32 : 4,166,241.08 = 1,071,328.55 : x
  2. Step 2: Convert to fraction form
    2,778,601.32/4,166,241.08 = 1,071,328.55/x
  3. Step 3: Cross multiply
    2,778,601.32x = 4,166,241.08 × 1,071,328.55
  4. Step 4: Simplify right side
    2,778,601.32x = 4,463,412,988,998.99
  5. Step 5: Solve for x
    x = 4,463,412,988,998.99/2,778,601.32
  6. Step 6: Final answer
    x = 1,606,352.43

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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.