Home / 4,270,784.76-6,404,858.82-1,238,374.08

Finding the Fourth Proportional to 4,270,784.76, 6,404,858.82 and 1,238,374.08

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Solution

The fourth proportional to 4,270,784.76, 6,404,858.82 and 1,238,374.08 is: 1,857,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270,784.76 : 6,404,858.82 = 1,238,374.08 : x
  2. Step 2: Convert to fraction form
    4,270,784.76/6,404,858.82 = 1,238,374.08/x
  3. Step 3: Cross multiply
    4,270,784.76x = 6,404,858.82 × 1,238,374.08
  4. Step 4: Simplify right side
    4,270,784.76x = 7,931,611,148,747.39
  5. Step 5: Solve for x
    x = 7,931,611,148,747.39/4,270,784.76
  6. Step 6: Final answer
    x = 1,857,178.85

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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.