Home / 5,007,905.36-6,909,845.64-2,971,376.72

Finding the Fourth Proportional to 5,007,905.36, 6,909,845.64 and 2,971,376.72

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Solution

The fourth proportional to 5,007,905.36, 6,909,845.64 and 2,971,376.72 is: 4,099,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007,905.36 : 6,909,845.64 = 2,971,376.72 : x
  2. Step 2: Convert to fraction form
    5,007,905.36/6,909,845.64 = 2,971,376.72/x
  3. Step 3: Cross multiply
    5,007,905.36x = 6,909,845.64 × 2,971,376.72
  4. Step 4: Simplify right side
    5,007,905.36x = 20,531,754,473,489.50
  5. Step 5: Solve for x
    x = 20,531,754,473,489.50/5,007,905.36
  6. Step 6: Final answer
    x = 4,099,868.71

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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.