Home / 1,990,892.41-2,986,349.55-494,984.41

Finding the Fourth Proportional to 1,990,892.41, 2,986,349.55 and 494,984.41

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Solution

The fourth proportional to 1,990,892.41, 2,986,349.55 and 494,984.41 is: 742,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,892.41 : 2,986,349.55 = 494,984.41 : x
  2. Step 2: Convert to fraction form
    1,990,892.41/2,986,349.55 = 494,984.41/x
  3. Step 3: Cross multiply
    1,990,892.41x = 2,986,349.55 × 494,984.41
  4. Step 4: Simplify right side
    1,990,892.41x = 1,478,196,462,594.64
  5. Step 5: Solve for x
    x = 1,478,196,462,594.64/1,990,892.41
  6. Step 6: Final answer
    x = 742,479.33

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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.