Home / 2,135,861.66-2,947,478.48-1,155,800

Finding the Fourth Proportional to 2,135,861.66, 2,947,478.48 and 1,155,800

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Solution

The fourth proportional to 2,135,861.66, 2,947,478.48 and 1,155,800 is: 1,594,998.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,861.66 : 2,947,478.48 = 1,155,800 : x
  2. Step 2: Convert to fraction form
    2,135,861.66/2,947,478.48 = 1,155,800/x
  3. Step 3: Cross multiply
    2,135,861.66x = 2,947,478.48 × 1,155,800
  4. Step 4: Simplify right side
    2,135,861.66x = 3,406,695,627,184
  5. Step 5: Solve for x
    x = 3,406,695,627,184/2,135,861.66
  6. Step 6: Final answer
    x = 1,594,998.26

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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.