Home / 2,983,478.20-4,475,658.32-1,089,776.76

Finding the Fourth Proportional to 2,983,478.20, 4,475,658.32 and 1,089,776.76

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Solution

The fourth proportional to 2,983,478.20, 4,475,658.32 and 1,089,776.76 is: 1,634,826.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983,478.20 : 4,475,658.32 = 1,089,776.76 : x
  2. Step 2: Convert to fraction form
    2,983,478.20/4,475,658.32 = 1,089,776.76/x
  3. Step 3: Cross multiply
    2,983,478.20x = 4,475,658.32 × 1,089,776.76
  4. Step 4: Simplify right side
    2,983,478.20x = 4,877,468,422,836.64
  5. Step 5: Solve for x
    x = 4,877,468,422,836.64/2,983,478.20
  6. Step 6: Final answer
    x = 1,634,826.23

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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.