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Finding the Fourth Proportional to 6,473,781, 8,933,817.78 and 3,612,213

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Solution

The fourth proportional to 6,473,781, 8,933,817.78 and 3,612,213 is: 4,984,853.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,473,781 : 8,933,817.78 = 3,612,213 : x
  2. Step 2: Convert to fraction form
    6,473,781/8,933,817.78 = 3,612,213/x
  3. Step 3: Cross multiply
    6,473,781x = 8,933,817.78 × 3,612,213
  4. Step 4: Simplify right side
    6,473,781x = 32,270,852,724,547.14
  5. Step 5: Solve for x
    x = 32,270,852,724,547.14/6,473,781
  6. Step 6: Final answer
    x = 4,984,853.94

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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.