Home / 3,139,901.46-4,333,739.28-1,915,944.75

Finding the Fourth Proportional to 3,139,901.46, 4,333,739.28 and 1,915,944.75

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Solution

The fourth proportional to 3,139,901.46, 4,333,739.28 and 1,915,944.75 is: 2,644,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,901.46 : 4,333,739.28 = 1,915,944.75 : x
  2. Step 2: Convert to fraction form
    3,139,901.46/4,333,739.28 = 1,915,944.75/x
  3. Step 3: Cross multiply
    3,139,901.46x = 4,333,739.28 × 1,915,944.75
  4. Step 4: Simplify right side
    3,139,901.46x = 8,303,205,021,384.78
  5. Step 5: Solve for x
    x = 8,303,205,021,384.78/3,139,901.46
  6. Step 6: Final answer
    x = 2,644,415.80

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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.