Home / 3,685,771.80-5,528,657.70-3,638,532.60

Finding the Fourth Proportional to 3,685,771.80, 5,528,657.70 and 3,638,532.60

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Solution

The fourth proportional to 3,685,771.80, 5,528,657.70 and 3,638,532.60 is: 5,457,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,771.80 : 5,528,657.70 = 3,638,532.60 : x
  2. Step 2: Convert to fraction form
    3,685,771.80/5,528,657.70 = 3,638,532.60/x
  3. Step 3: Cross multiply
    3,685,771.80x = 5,528,657.70 × 3,638,532.60
  4. Step 4: Simplify right side
    3,685,771.80x = 20,116,201,275,691.02
  5. Step 5: Solve for x
    x = 20,116,201,275,691.02/3,685,771.80
  6. Step 6: Final answer
    x = 5,457,798.90

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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.