Home / 3,785,140.50-5,222,795.05-2,153,452.60

Finding the Fourth Proportional to 3,785,140.50, 5,222,795.05 and 2,153,452.60

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Solution

The fourth proportional to 3,785,140.50, 5,222,795.05 and 2,153,452.60 is: 2,971,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,140.50 : 5,222,795.05 = 2,153,452.60 : x
  2. Step 2: Convert to fraction form
    3,785,140.50/5,222,795.05 = 2,153,452.60/x
  3. Step 3: Cross multiply
    3,785,140.50x = 5,222,795.05 × 2,153,452.60
  4. Step 4: Simplify right side
    3,785,140.50x = 11,247,041,588,909.94
  5. Step 5: Solve for x
    x = 11,247,041,588,909.94/3,785,140.50
  6. Step 6: Final answer
    x = 2,971,367.01

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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.