Home / 2,077,875.92-3,116,902.80-815,976.56

Finding the Fourth Proportional to 2,077,875.92, 3,116,902.80 and 815,976.56

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Solution

The fourth proportional to 2,077,875.92, 3,116,902.80 and 815,976.56 is: 1,223,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,875.92 : 3,116,902.80 = 815,976.56 : x
  2. Step 2: Convert to fraction form
    2,077,875.92/3,116,902.80 = 815,976.56/x
  3. Step 3: Cross multiply
    2,077,875.92x = 3,116,902.80 × 815,976.56
  4. Step 4: Simplify right side
    2,077,875.92x = 2,543,319,624,598.37
  5. Step 5: Solve for x
    x = 2,543,319,624,598.37/2,077,875.92
  6. Step 6: Final answer
    x = 1,223,999.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.