Home / 2,816,690.92-3,886,928.52-1,670,085.16

Finding the Fourth Proportional to 2,816,690.92, 3,886,928.52 and 1,670,085.16

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Solution

The fourth proportional to 2,816,690.92, 3,886,928.52 and 1,670,085.16 is: 2,304,655.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816,690.92 : 3,886,928.52 = 1,670,085.16 : x
  2. Step 2: Convert to fraction form
    2,816,690.92/3,886,928.52 = 1,670,085.16/x
  3. Step 3: Cross multiply
    2,816,690.92x = 3,886,928.52 × 1,670,085.16
  4. Step 4: Simplify right side
    2,816,690.92x = 6,491,501,639,232.76
  5. Step 5: Solve for x
    x = 6,491,501,639,232.76/2,816,690.92
  6. Step 6: Final answer
    x = 2,304,655.29

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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.