Home / 2,890,187.78-3,988,406.94-1,601,024.18

Finding the Fourth Proportional to 2,890,187.78, 3,988,406.94 and 1,601,024.18

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Solution

The fourth proportional to 2,890,187.78, 3,988,406.94 and 1,601,024.18 is: 2,209,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,187.78 : 3,988,406.94 = 1,601,024.18 : x
  2. Step 2: Convert to fraction form
    2,890,187.78/3,988,406.94 = 1,601,024.18/x
  3. Step 3: Cross multiply
    2,890,187.78x = 3,988,406.94 × 1,601,024.18
  4. Step 4: Simplify right side
    2,890,187.78x = 6,385,535,950,619.81
  5. Step 5: Solve for x
    x = 6,385,535,950,619.81/2,890,187.78
  6. Step 6: Final answer
    x = 2,209,384.45

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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.