Home / 2,890,208.40-3,988,435.20-1,601,044.80

Finding the Fourth Proportional to 2,890,208.40, 3,988,435.20 and 1,601,044.80

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Solution

The fourth proportional to 2,890,208.40, 3,988,435.20 and 1,601,044.80 is: 2,209,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,208.40 : 3,988,435.20 = 1,601,044.80 : x
  2. Step 2: Convert to fraction form
    2,890,208.40/3,988,435.20 = 1,601,044.80/x
  3. Step 3: Cross multiply
    2,890,208.40x = 3,988,435.20 × 1,601,044.80
  4. Step 4: Simplify right side
    2,890,208.40x = 6,385,663,437,096.96
  5. Step 5: Solve for x
    x = 6,385,663,437,096.96/2,890,208.40
  6. Step 6: Final answer
    x = 2,209,412.80

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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.