Home / 1,979,944.46-2,731,928.15-1,205,056.28

Finding the Fourth Proportional to 1,979,944.46, 2,731,928.15 and 1,205,056.28

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Solution

The fourth proportional to 1,979,944.46, 2,731,928.15 and 1,205,056.28 is: 1,662,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,944.46 : 2,731,928.15 = 1,205,056.28 : x
  2. Step 2: Convert to fraction form
    1,979,944.46/2,731,928.15 = 1,205,056.28/x
  3. Step 3: Cross multiply
    1,979,944.46x = 2,731,928.15 × 1,205,056.28
  4. Step 4: Simplify right side
    1,979,944.46x = 3,292,127,153,981.36
  5. Step 5: Solve for x
    x = 3,292,127,153,981.36/1,979,944.46
  6. Step 6: Final answer
    x = 1,662,737.13

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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.