Home / 4,991,362.42-6,888,395.10-2,815,111.54

Finding the Fourth Proportional to 4,991,362.42, 6,888,395.10 and 2,815,111.54

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Solution

The fourth proportional to 4,991,362.42, 6,888,395.10 and 2,815,111.54 is: 3,885,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,362.42 : 6,888,395.10 = 2,815,111.54 : x
  2. Step 2: Convert to fraction form
    4,991,362.42/6,888,395.10 = 2,815,111.54/x
  3. Step 3: Cross multiply
    4,991,362.42x = 6,888,395.10 × 2,815,111.54
  4. Step 4: Simplify right side
    4,991,362.42x = 19,391,600,538,089.45
  5. Step 5: Solve for x
    x = 19,391,600,538,089.45/4,991,362.42
  6. Step 6: Final answer
    x = 3,885,031.56

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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.