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Finding the Fourth Proportional to 3,711,588, 5,567,382 and 909,924

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Solution

The fourth proportional to 3,711,588, 5,567,382 and 909,924 is: 1,364,886

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711,588 : 5,567,382 = 909,924 : x
  2. Step 2: Convert to fraction form
    3,711,588/5,567,382 = 909,924/x
  3. Step 3: Cross multiply
    3,711,588x = 5,567,382 × 909,924
  4. Step 4: Simplify right side
    3,711,588x = 5,065,894,498,968
  5. Step 5: Solve for x
    x = 5,065,894,498,968/3,711,588
  6. Step 6: Final answer
    x = 1,364,886

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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.