Home / 5,138,214.14-7,090,741.01-2,783,417.38

Finding the Fourth Proportional to 5,138,214.14, 7,090,741.01 and 2,783,417.38

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Solution

The fourth proportional to 5,138,214.14, 7,090,741.01 and 2,783,417.38 is: 3,841,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,214.14 : 7,090,741.01 = 2,783,417.38 : x
  2. Step 2: Convert to fraction form
    5,138,214.14/7,090,741.01 = 2,783,417.38/x
  3. Step 3: Cross multiply
    5,138,214.14x = 7,090,741.01 × 2,783,417.38
  4. Step 4: Simplify right side
    5,138,214.14x = 19,736,491,753,544.45
  5. Step 5: Solve for x
    x = 19,736,491,753,544.45/5,138,214.14
  6. Step 6: Final answer
    x = 3,841,118.96

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1.5x scale

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.