Home / 3,111,601.50-4,294,010.07-1,680,817.50

Finding the Fourth Proportional to 3,111,601.50, 4,294,010.07 and 1,680,817.50

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Solution

The fourth proportional to 3,111,601.50, 4,294,010.07 and 1,680,817.50 is: 2,319,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,601.50 : 4,294,010.07 = 1,680,817.50 : x
  2. Step 2: Convert to fraction form
    3,111,601.50/4,294,010.07 = 1,680,817.50/x
  3. Step 3: Cross multiply
    3,111,601.50x = 4,294,010.07 × 1,680,817.50
  4. Step 4: Simplify right side
    3,111,601.50x = 7,217,447,270,832.23
  5. Step 5: Solve for x
    x = 7,217,447,270,832.23/3,111,601.50
  6. Step 6: Final answer
    x = 2,319,528.15

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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.