Home / 2,907,800.20-4,361,700.30-1,308,494.86

Finding the Fourth Proportional to 2,907,800.20, 4,361,700.30 and 1,308,494.86

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Solution

The fourth proportional to 2,907,800.20, 4,361,700.30 and 1,308,494.86 is: 1,962,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,800.20 : 4,361,700.30 = 1,308,494.86 : x
  2. Step 2: Convert to fraction form
    2,907,800.20/4,361,700.30 = 1,308,494.86/x
  3. Step 3: Cross multiply
    2,907,800.20x = 4,361,700.30 × 1,308,494.86
  4. Step 4: Simplify right side
    2,907,800.20x = 5,707,262,423,410.46
  5. Step 5: Solve for x
    x = 5,707,262,423,410.46/2,907,800.20
  6. Step 6: Final answer
    x = 1,962,742.29

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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.