Home / 2,899,688.40-4,345,385.40-2,135,566.80

Finding the Fourth Proportional to 2,899,688.40, 4,345,385.40 and 2,135,566.80

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Solution

The fourth proportional to 2,899,688.40, 4,345,385.40 and 2,135,566.80 is: 3,200,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899,688.40 : 4,345,385.40 = 2,135,566.80 : x
  2. Step 2: Convert to fraction form
    2,899,688.40/4,345,385.40 = 2,135,566.80/x
  3. Step 3: Cross multiply
    2,899,688.40x = 4,345,385.40 × 2,135,566.80
  4. Step 4: Simplify right side
    2,899,688.40x = 9,279,860,793,444.72
  5. Step 5: Solve for x
    x = 9,279,860,793,444.72/2,899,688.40
  6. Step 6: Final answer
    x = 3,200,295.86

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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.