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Finding the Fourth Proportional to 1,942,068, 2,913,102 and 612,372

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Solution

The fourth proportional to 1,942,068, 2,913,102 and 612,372 is: 918,558

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,068 : 2,913,102 = 612,372 : x
  2. Step 2: Convert to fraction form
    1,942,068/2,913,102 = 612,372/x
  3. Step 3: Cross multiply
    1,942,068x = 2,913,102 × 612,372
  4. Step 4: Simplify right side
    1,942,068x = 1,783,902,097,944
  5. Step 5: Solve for x
    x = 1,783,902,097,944/1,942,068
  6. Step 6: Final answer
    x = 918,558

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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.