Home / 3,735,138.77-5,154,355.40-2,081,200.38

Finding the Fourth Proportional to 3,735,138.77, 5,154,355.40 and 2,081,200.38

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Solution

The fourth proportional to 3,735,138.77, 5,154,355.40 and 2,081,200.38 is: 2,871,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735,138.77 : 5,154,355.40 = 2,081,200.38 : x
  2. Step 2: Convert to fraction form
    3,735,138.77/5,154,355.40 = 2,081,200.38/x
  3. Step 3: Cross multiply
    3,735,138.77x = 5,154,355.40 × 2,081,200.38
  4. Step 4: Simplify right side
    3,735,138.77x = 10,727,246,406,729.05
  5. Step 5: Solve for x
    x = 10,727,246,406,729.05/3,735,138.77
  6. Step 6: Final answer
    x = 2,871,980.69

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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.