Home / 3,120,673.40-4,673,136.90-2,490,817.40

Finding the Fourth Proportional to 3,120,673.40, 4,673,136.90 and 2,490,817.40

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Solution

The fourth proportional to 3,120,673.40, 4,673,136.90 and 2,490,817.40 is: 3,729,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,673.40 : 4,673,136.90 = 2,490,817.40 : x
  2. Step 2: Convert to fraction form
    3,120,673.40/4,673,136.90 = 2,490,817.40/x
  3. Step 3: Cross multiply
    3,120,673.40x = 4,673,136.90 × 2,490,817.40
  4. Step 4: Simplify right side
    3,120,673.40x = 11,639,930,703,102.06
  5. Step 5: Solve for x
    x = 11,639,930,703,102.06/3,120,673.40
  6. Step 6: Final answer
    x = 3,729,941.97

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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.