Home / 2,986,355.10-4,479,548.85-742,493.10

Finding the Fourth Proportional to 2,986,355.10, 4,479,548.85 and 742,493.10

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Solution

The fourth proportional to 2,986,355.10, 4,479,548.85 and 742,493.10 is: 1,113,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,355.10 : 4,479,548.85 = 742,493.10 : x
  2. Step 2: Convert to fraction form
    2,986,355.10/4,479,548.85 = 742,493.10/x
  3. Step 3: Cross multiply
    2,986,355.10x = 4,479,548.85 × 742,493.10
  4. Step 4: Simplify right side
    2,986,355.10x = 3,326,034,112,237.93
  5. Step 5: Solve for x
    x = 3,326,034,112,237.93/2,986,355.10
  6. Step 6: Final answer
    x = 1,113,743.68

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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.