Home / 2,588,668.64-3,883,119.60-990,817.28

Finding the Fourth Proportional to 2,588,668.64, 3,883,119.60 and 990,817.28

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Solution

The fourth proportional to 2,588,668.64, 3,883,119.60 and 990,817.28 is: 1,486,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,668.64 : 3,883,119.60 = 990,817.28 : x
  2. Step 2: Convert to fraction form
    2,588,668.64/3,883,119.60 = 990,817.28/x
  3. Step 3: Cross multiply
    2,588,668.64x = 3,883,119.60 × 990,817.28
  4. Step 4: Simplify right side
    2,588,668.64x = 3,847,461,999,986.69
  5. Step 5: Solve for x
    x = 3,847,461,999,986.69/2,588,668.64
  6. Step 6: Final answer
    x = 1,486,270.56

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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.