Home / 2,135,035.40-2,946,275.56-1,217,559.82

Finding the Fourth Proportional to 2,135,035.40, 2,946,275.56 and 1,217,559.82

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Solution

The fourth proportional to 2,135,035.40, 2,946,275.56 and 1,217,559.82 is: 1,680,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,035.40 : 2,946,275.56 = 1,217,559.82 : x
  2. Step 2: Convert to fraction form
    2,135,035.40/2,946,275.56 = 1,217,559.82/x
  3. Step 3: Cross multiply
    2,135,035.40x = 2,946,275.56 × 1,217,559.82
  4. Step 4: Simplify right side
    2,135,035.40x = 3,587,266,740,504.00
  5. Step 5: Solve for x
    x = 3,587,266,740,504.00/2,135,035.40
  6. Step 6: Final answer
    x = 1,680,190.75

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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.