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Finding the Fourth Proportional to 6,474,402.71, 8,934,674.39 and 3,573,792.82

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Solution

The fourth proportional to 6,474,402.71, 8,934,674.39 and 3,573,792.82 is: 4,931,833.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,402.71 : 8,934,674.39 = 3,573,792.82 : x
  2. Step 2: Convert to fraction form
    6,474,402.71/8,934,674.39 = 3,573,792.82/x
  3. Step 3: Cross multiply
    6,474,402.71x = 8,934,674.39 × 3,573,792.82
  4. Step 4: Simplify right side
    6,474,402.71x = 31,930,675,139,346.51
  5. Step 5: Solve for x
    x = 31,930,675,139,346.51/6,474,402.71
  6. Step 6: Final answer
    x = 4,931,833.34

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1.5x scale

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.