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Finding the Fourth Proportional to 5,706,046.35, 7,869,752.53 and 5,016,243.31

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Solution

The fourth proportional to 5,706,046.35, 7,869,752.53 and 5,016,243.31 is: 6,918,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,706,046.35 : 7,869,752.53 = 5,016,243.31 : x
  2. Step 2: Convert to fraction form
    5,706,046.35/7,869,752.53 = 5,016,243.31/x
  3. Step 3: Cross multiply
    5,706,046.35x = 7,869,752.53 × 5,016,243.31
  4. Step 4: Simplify right side
    5,706,046.35x = 39,476,593,496,075.57
  5. Step 5: Solve for x
    x = 39,476,593,496,075.57/5,706,046.35
  6. Step 6: Final answer
    x = 6,918,379.40

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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.