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Finding the Fourth Proportional to 3,936,700.69, 5,905,051.04 and 944,884.69

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Solution

The fourth proportional to 3,936,700.69, 5,905,051.04 and 944,884.69 is: 1,417,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,700.69 : 5,905,051.04 = 944,884.69 : x
  2. Step 2: Convert to fraction form
    3,936,700.69/5,905,051.04 = 944,884.69/x
  3. Step 3: Cross multiply
    3,936,700.69x = 5,905,051.04 × 944,884.69
  4. Step 4: Simplify right side
    3,936,700.69x = 5,579,592,308,964.16
  5. Step 5: Solve for x
    x = 5,579,592,308,964.16/3,936,700.69
  6. Step 6: Final answer
    x = 1,417,327.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.