Home / 5,157,848.87-7,117,689.89-2,865,950.63

Finding the Fourth Proportional to 5,157,848.87, 7,117,689.89 and 2,865,950.63

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Solution

The fourth proportional to 5,157,848.87, 7,117,689.89 and 2,865,950.63 is: 3,954,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,848.87 : 7,117,689.89 = 2,865,950.63 : x
  2. Step 2: Convert to fraction form
    5,157,848.87/7,117,689.89 = 2,865,950.63/x
  3. Step 3: Cross multiply
    5,157,848.87x = 7,117,689.89 × 2,865,950.63
  4. Step 4: Simplify right side
    5,157,848.87x = 20,398,947,810,060.38
  5. Step 5: Solve for x
    x = 20,398,947,810,060.38/5,157,848.87
  6. Step 6: Final answer
    x = 3,954,933.21

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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.