Home / 1,992,420.41-2,984,777.96-1,668,729.24

Finding the Fourth Proportional to 1,992,420.41, 2,984,777.96 and 1,668,729.24

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Solution

The fourth proportional to 1,992,420.41, 2,984,777.96 and 1,668,729.24 is: 2,499,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,420.41 : 2,984,777.96 = 1,668,729.24 : x
  2. Step 2: Convert to fraction form
    1,992,420.41/2,984,777.96 = 1,668,729.24/x
  3. Step 3: Cross multiply
    1,992,420.41x = 2,984,777.96 × 1,668,729.24
  4. Step 4: Simplify right side
    1,992,420.41x = 4,980,786,248,415.90
  5. Step 5: Solve for x
    x = 4,980,786,248,415.90/1,992,420.41
  6. Step 6: Final answer
    x = 2,499,867.11

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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.