Home / 2,623,742.20-3,621,021.78-1,535,948.20

Finding the Fourth Proportional to 2,623,742.20, 3,621,021.78 and 1,535,948.20

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Solution

The fourth proportional to 2,623,742.20, 3,621,021.78 and 1,535,948.20 is: 2,119,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623,742.20 : 3,621,021.78 = 1,535,948.20 : x
  2. Step 2: Convert to fraction form
    2,623,742.20/3,621,021.78 = 1,535,948.20/x
  3. Step 3: Cross multiply
    2,623,742.20x = 3,621,021.78 × 1,535,948.20
  4. Step 4: Simplify right side
    2,623,742.20x = 5,561,701,885,151.80
  5. Step 5: Solve for x
    x = 5,561,701,885,151.80/2,623,742.20
  6. Step 6: Final answer
    x = 2,119,759.28

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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.