Home / 3,615,830.56-4,989,416.16-2,145,505.60

Finding the Fourth Proportional to 3,615,830.56, 4,989,416.16 and 2,145,505.60

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Solution

The fourth proportional to 3,615,830.56, 4,989,416.16 and 2,145,505.60 is: 2,960,542.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,830.56 : 4,989,416.16 = 2,145,505.60 : x
  2. Step 2: Convert to fraction form
    3,615,830.56/4,989,416.16 = 2,145,505.60/x
  3. Step 3: Cross multiply
    3,615,830.56x = 4,989,416.16 × 2,145,505.60
  4. Step 4: Simplify right side
    3,615,830.56x = 10,704,820,312,010.50
  5. Step 5: Solve for x
    x = 10,704,820,312,010.50/3,615,830.56
  6. Step 6: Final answer
    x = 2,960,542.57

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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.