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Finding the Fourth Proportional to 3,210,573.62, 4,815,948.08 and 936,043.04

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Solution

The fourth proportional to 3,210,573.62, 4,815,948.08 and 936,043.04 is: 1,404,090.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,573.62 : 4,815,948.08 = 936,043.04 : x
  2. Step 2: Convert to fraction form
    3,210,573.62/4,815,948.08 = 936,043.04/x
  3. Step 3: Cross multiply
    3,210,573.62x = 4,815,948.08 × 936,043.04
  4. Step 4: Simplify right side
    3,210,573.62x = 4,507,934,695,665.34
  5. Step 5: Solve for x
    x = 4,507,934,695,665.34/3,210,573.62
  6. Step 6: Final answer
    x = 1,404,090.12

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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.