Home / 2,638,634.28-3,641,322.36-1,431,410.28

Finding the Fourth Proportional to 2,638,634.28, 3,641,322.36 and 1,431,410.28

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Solution

The fourth proportional to 2,638,634.28, 3,641,322.36 and 1,431,410.28 is: 1,975,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,634.28 : 3,641,322.36 = 1,431,410.28 : x
  2. Step 2: Convert to fraction form
    2,638,634.28/3,641,322.36 = 1,431,410.28/x
  3. Step 3: Cross multiply
    2,638,634.28x = 3,641,322.36 × 1,431,410.28
  4. Step 4: Simplify right side
    2,638,634.28x = 5,212,226,258,897.86
  5. Step 5: Solve for x
    x = 5,212,226,258,897.86/2,638,634.28
  6. Step 6: Final answer
    x = 1,975,350.01

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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.