Home / 1,916,085.28-2,875,896.96-970,118.68

Finding the Fourth Proportional to 1,916,085.28, 2,875,896.96 and 970,118.68

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Solution

The fourth proportional to 1,916,085.28, 2,875,896.96 and 970,118.68 is: 1,456,073.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,085.28 : 2,875,896.96 = 970,118.68 : x
  2. Step 2: Convert to fraction form
    1,916,085.28/2,875,896.96 = 970,118.68/x
  3. Step 3: Cross multiply
    1,916,085.28x = 2,875,896.96 × 970,118.68
  4. Step 4: Simplify right side
    1,916,085.28x = 2,789,961,362,651.21
  5. Step 5: Solve for x
    x = 2,789,961,362,651.21/1,916,085.28
  6. Step 6: Final answer
    x = 1,456,073.69

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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.