Home / 2,079,530.60-3,118,712.70-660,021.80

Finding the Fourth Proportional to 2,079,530.60, 3,118,712.70 and 660,021.80

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Solution

The fourth proportional to 2,079,530.60, 3,118,712.70 and 660,021.80 is: 989,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,530.60 : 3,118,712.70 = 660,021.80 : x
  2. Step 2: Convert to fraction form
    2,079,530.60/3,118,712.70 = 660,021.80/x
  3. Step 3: Cross multiply
    2,079,530.60x = 3,118,712.70 × 660,021.80
  4. Step 4: Simplify right side
    2,079,530.60x = 2,058,418,369,936.86
  5. Step 5: Solve for x
    x = 2,058,418,369,936.86/2,079,530.60
  6. Step 6: Final answer
    x = 989,847.60

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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.