Home / 3,157,936.69-4,357,687.76-1,868,551.15

Finding the Fourth Proportional to 3,157,936.69, 4,357,687.76 and 1,868,551.15

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Solution

The fourth proportional to 3,157,936.69, 4,357,687.76 and 1,868,551.15 is: 2,578,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,936.69 : 4,357,687.76 = 1,868,551.15 : x
  2. Step 2: Convert to fraction form
    3,157,936.69/4,357,687.76 = 1,868,551.15/x
  3. Step 3: Cross multiply
    3,157,936.69x = 4,357,687.76 × 1,868,551.15
  4. Step 4: Simplify right side
    3,157,936.69x = 8,142,562,475,288.92
  5. Step 5: Solve for x
    x = 8,142,562,475,288.92/3,157,936.69
  6. Step 6: Final answer
    x = 2,578,443.86

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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.