Home / 5,681,153.79-7,839,979.71-3,102,834.69

Finding the Fourth Proportional to 5,681,153.79, 7,839,979.71 and 3,102,834.69

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Solution

The fourth proportional to 5,681,153.79, 7,839,979.71 and 3,102,834.69 is: 4,281,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681,153.79 : 7,839,979.71 = 3,102,834.69 : x
  2. Step 2: Convert to fraction form
    5,681,153.79/7,839,979.71 = 3,102,834.69/x
  3. Step 3: Cross multiply
    5,681,153.79x = 7,839,979.71 × 3,102,834.69
  4. Step 4: Simplify right side
    5,681,153.79x = 24,326,161,013,084.14
  5. Step 5: Solve for x
    x = 24,326,161,013,084.14/5,681,153.79
  6. Step 6: Final answer
    x = 4,281,905.03

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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.