Home / 3,912,140.28-5,867,580.96-1,071,588.36

Finding the Fourth Proportional to 3,912,140.28, 5,867,580.96 and 1,071,588.36

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Solution

The fourth proportional to 3,912,140.28, 5,867,580.96 and 1,071,588.36 is: 1,607,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,140.28 : 5,867,580.96 = 1,071,588.36 : x
  2. Step 2: Convert to fraction form
    3,912,140.28/5,867,580.96 = 1,071,588.36/x
  3. Step 3: Cross multiply
    3,912,140.28x = 5,867,580.96 × 1,071,588.36
  4. Step 4: Simplify right side
    3,912,140.28x = 6,287,631,458,093.63
  5. Step 5: Solve for x
    x = 6,287,631,458,093.63/3,912,140.28
  6. Step 6: Final answer
    x = 1,607,210.12

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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.