Home / 2,890,404.81-3,988,467.93-1,601,004.28

Finding the Fourth Proportional to 2,890,404.81, 3,988,467.93 and 1,601,004.28

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Solution

The fourth proportional to 2,890,404.81, 3,988,467.93 and 1,601,004.28 is: 2,209,224.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,404.81 : 3,988,467.93 = 1,601,004.28 : x
  2. Step 2: Convert to fraction form
    2,890,404.81/3,988,467.93 = 1,601,004.28/x
  3. Step 3: Cross multiply
    2,890,404.81x = 3,988,467.93 × 1,601,004.28
  4. Step 4: Simplify right side
    2,890,404.81x = 6,385,554,226,572.74
  5. Step 5: Solve for x
    x = 6,385,554,226,572.74/2,890,404.81
  6. Step 6: Final answer
    x = 2,209,224.88

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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.