Home / 3,498,905.81-4,828,468.51-1,971,505.01

Finding the Fourth Proportional to 3,498,905.81, 4,828,468.51 and 1,971,505.01

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Solution

The fourth proportional to 3,498,905.81, 4,828,468.51 and 1,971,505.01 is: 2,720,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498,905.81 : 4,828,468.51 = 1,971,505.01 : x
  2. Step 2: Convert to fraction form
    3,498,905.81/4,828,468.51 = 1,971,505.01/x
  3. Step 3: Cross multiply
    3,498,905.81x = 4,828,468.51 × 1,971,505.01
  4. Step 4: Simplify right side
    3,498,905.81x = 9,519,349,858,092.24
  5. Step 5: Solve for x
    x = 9,519,349,858,092.24/3,498,905.81
  6. Step 6: Final answer
    x = 2,720,664.79

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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.