Home / 2,072,690.70-3,109,036.02-809,632.59

Finding the Fourth Proportional to 2,072,690.70, 3,109,036.02 and 809,632.59

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Solution

The fourth proportional to 2,072,690.70, 3,109,036.02 and 809,632.59 is: 1,214,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,690.70 : 3,109,036.02 = 809,632.59 : x
  2. Step 2: Convert to fraction form
    2,072,690.70/3,109,036.02 = 809,632.59/x
  3. Step 3: Cross multiply
    2,072,690.70x = 3,109,036.02 × 809,632.59
  4. Step 4: Simplify right side
    2,072,690.70x = 2,517,176,885,275.89
  5. Step 5: Solve for x
    x = 2,517,176,885,275.89/2,072,690.70
  6. Step 6: Final answer
    x = 1,214,448.87

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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.