Home / 3,318,128.15-4,576,657.14-2,215,004.13

Finding the Fourth Proportional to 3,318,128.15, 4,576,657.14 and 2,215,004.13

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Solution

The fourth proportional to 3,318,128.15, 4,576,657.14 and 2,215,004.13 is: 3,055,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,128.15 : 4,576,657.14 = 2,215,004.13 : x
  2. Step 2: Convert to fraction form
    3,318,128.15/4,576,657.14 = 2,215,004.13/x
  3. Step 3: Cross multiply
    3,318,128.15x = 4,576,657.14 × 2,215,004.13
  4. Step 4: Simplify right side
    3,318,128.15x = 10,137,314,466,693.99
  5. Step 5: Solve for x
    x = 10,137,314,466,693.99/3,318,128.15
  6. Step 6: Final answer
    x = 3,055,130.49

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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.