Home / 2,991,679.92-4,485,021.84-1,393,420.32

Finding the Fourth Proportional to 2,991,679.92, 4,485,021.84 and 1,393,420.32

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Solution

The fourth proportional to 2,991,679.92, 4,485,021.84 and 1,393,420.32 is: 2,088,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,679.92 : 4,485,021.84 = 1,393,420.32 : x
  2. Step 2: Convert to fraction form
    2,991,679.92/4,485,021.84 = 1,393,420.32/x
  3. Step 3: Cross multiply
    2,991,679.92x = 4,485,021.84 × 1,393,420.32
  4. Step 4: Simplify right side
    2,991,679.92x = 6,249,520,567,499.79
  5. Step 5: Solve for x
    x = 6,249,520,567,499.79/2,991,679.92
  6. Step 6: Final answer
    x = 2,088,966.98

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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.