Home / 4,971,773.28-6,860,979.40-2,796,315.57

Finding the Fourth Proportional to 4,971,773.28, 6,860,979.40 and 2,796,315.57

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Solution

The fourth proportional to 4,971,773.28, 6,860,979.40 and 2,796,315.57 is: 3,858,877.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971,773.28 : 6,860,979.40 = 2,796,315.57 : x
  2. Step 2: Convert to fraction form
    4,971,773.28/6,860,979.40 = 2,796,315.57/x
  3. Step 3: Cross multiply
    4,971,773.28x = 6,860,979.40 × 2,796,315.57
  4. Step 4: Simplify right side
    4,971,773.28x = 19,185,463,521,669.26
  5. Step 5: Solve for x
    x = 19,185,463,521,669.26/4,971,773.28
  6. Step 6: Final answer
    x = 3,858,877.39

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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.