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Finding the Fourth Proportional to 2,848,931.70, 4,273,397.55 and 854,387.70

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Solution

The fourth proportional to 2,848,931.70, 4,273,397.55 and 854,387.70 is: 1,281,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848,931.70 : 4,273,397.55 = 854,387.70 : x
  2. Step 2: Convert to fraction form
    2,848,931.70/4,273,397.55 = 854,387.70/x
  3. Step 3: Cross multiply
    2,848,931.70x = 4,273,397.55 × 854,387.70
  4. Step 4: Simplify right side
    2,848,931.70x = 3,651,138,303,930.14
  5. Step 5: Solve for x
    x = 3,651,138,303,930.14/2,848,931.70
  6. Step 6: Final answer
    x = 1,281,581.55

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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.