Home / 2,986,314.75-4,479,488.53-742,452.75

Finding the Fourth Proportional to 2,986,314.75, 4,479,488.53 and 742,452.75

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Solution

The fourth proportional to 2,986,314.75, 4,479,488.53 and 742,452.75 is: 1,113,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,314.75 : 4,479,488.53 = 742,452.75 : x
  2. Step 2: Convert to fraction form
    2,986,314.75/4,479,488.53 = 742,452.75/x
  3. Step 3: Cross multiply
    2,986,314.75x = 4,479,488.53 × 742,452.75
  4. Step 4: Simplify right side
    2,986,314.75x = 3,325,808,575,835.83
  5. Step 5: Solve for x
    x = 3,325,808,575,835.83/2,986,314.75
  6. Step 6: Final answer
    x = 1,113,683.20

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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.