Home / 2,984,556.40-4,476,834.60-990,012.40

Finding the Fourth Proportional to 2,984,556.40, 4,476,834.60 and 990,012.40

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Solution

The fourth proportional to 2,984,556.40, 4,476,834.60 and 990,012.40 is: 1,485,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984,556.40 : 4,476,834.60 = 990,012.40 : x
  2. Step 2: Convert to fraction form
    2,984,556.40/4,476,834.60 = 990,012.40/x
  3. Step 3: Cross multiply
    2,984,556.40x = 4,476,834.60 × 990,012.40
  4. Step 4: Simplify right side
    2,984,556.40x = 4,432,121,766,749.04
  5. Step 5: Solve for x
    x = 4,432,121,766,749.04/2,984,556.40
  6. Step 6: Final answer
    x = 1,485,018.60

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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.