Home / 3,885,641.05-5,362,189.80-2,143,271.32

Finding the Fourth Proportional to 3,885,641.05, 5,362,189.80 and 2,143,271.32

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Solution

The fourth proportional to 3,885,641.05, 5,362,189.80 and 2,143,271.32 is: 2,957,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,641.05 : 5,362,189.80 = 2,143,271.32 : x
  2. Step 2: Convert to fraction form
    3,885,641.05/5,362,189.80 = 2,143,271.32/x
  3. Step 3: Cross multiply
    3,885,641.05x = 5,362,189.80 × 2,143,271.32
  4. Step 4: Simplify right side
    3,885,641.05x = 11,492,627,610,736.54
  5. Step 5: Solve for x
    x = 11,492,627,610,736.54/3,885,641.05
  6. Step 6: Final answer
    x = 2,957,717.26

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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.