Home / 2,840,423.39-3,919,881.01-1,679,864.50

Finding the Fourth Proportional to 2,840,423.39, 3,919,881.01 and 1,679,864.50

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Solution

The fourth proportional to 2,840,423.39, 3,919,881.01 and 1,679,864.50 is: 2,318,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,423.39 : 3,919,881.01 = 1,679,864.50 : x
  2. Step 2: Convert to fraction form
    2,840,423.39/3,919,881.01 = 1,679,864.50/x
  3. Step 3: Cross multiply
    2,840,423.39x = 3,919,881.01 × 1,679,864.50
  4. Step 4: Simplify right side
    2,840,423.39x = 6,584,868,934,724.12
  5. Step 5: Solve for x
    x = 6,584,868,934,724.12/2,840,423.39
  6. Step 6: Final answer
    x = 2,318,270.22

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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.