Home / 4,991,260.12-6,887,938.97-2,699,420.81

Finding the Fourth Proportional to 4,991,260.12, 6,887,938.97 and 2,699,420.81

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Solution

The fourth proportional to 4,991,260.12, 6,887,938.97 and 2,699,420.81 is: 3,725,200.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,260.12 : 6,887,938.97 = 2,699,420.81 : x
  2. Step 2: Convert to fraction form
    4,991,260.12/6,887,938.97 = 2,699,420.81/x
  3. Step 3: Cross multiply
    4,991,260.12x = 6,887,938.97 × 2,699,420.81
  4. Step 4: Simplify right side
    4,991,260.12x = 18,593,445,780,130.86
  5. Step 5: Solve for x
    x = 18,593,445,780,130.86/4,991,260.12
  6. Step 6: Final answer
    x = 3,725,200.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.