Home / 2,408,947.05-3,613,420.58-990,021.45

Finding the Fourth Proportional to 2,408,947.05, 3,613,420.58 and 990,021.45

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Solution

The fourth proportional to 2,408,947.05, 3,613,420.58 and 990,021.45 is: 1,485,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408,947.05 : 3,613,420.58 = 990,021.45 : x
  2. Step 2: Convert to fraction form
    2,408,947.05/3,613,420.58 = 990,021.45/x
  3. Step 3: Cross multiply
    2,408,947.05x = 3,613,420.58 × 990,021.45
  4. Step 4: Simplify right side
    2,408,947.05x = 3,577,363,877,121.33
  5. Step 5: Solve for x
    x = 3,577,363,877,121.33/2,408,947.05
  6. Step 6: Final answer
    x = 1,485,032.18

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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.