Home / 2,690,904.20-4,031,788.70-1,623,703.80

Finding the Fourth Proportional to 2,690,904.20, 4,031,788.70 and 1,623,703.80

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Solution

The fourth proportional to 2,690,904.20, 4,031,788.70 and 1,623,703.80 is: 2,432,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,904.20 : 4,031,788.70 = 1,623,703.80 : x
  2. Step 2: Convert to fraction form
    2,690,904.20/4,031,788.70 = 1,623,703.80/x
  3. Step 3: Cross multiply
    2,690,904.20x = 4,031,788.70 × 1,623,703.80
  4. Step 4: Simplify right side
    2,690,904.20x = 6,546,430,632,987.06
  5. Step 5: Solve for x
    x = 6,546,430,632,987.06/2,690,904.20
  6. Step 6: Final answer
    x = 2,432,799.59

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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.