Home / 3,406,817.40-5,112,194.40-1,277,116.80

Finding the Fourth Proportional to 3,406,817.40, 5,112,194.40 and 1,277,116.80

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Solution

The fourth proportional to 3,406,817.40, 5,112,194.40 and 1,277,116.80 is: 1,916,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406,817.40 : 5,112,194.40 = 1,277,116.80 : x
  2. Step 2: Convert to fraction form
    3,406,817.40/5,112,194.40 = 1,277,116.80/x
  3. Step 3: Cross multiply
    3,406,817.40x = 5,112,194.40 × 1,277,116.80
  4. Step 4: Simplify right side
    3,406,817.40x = 6,528,869,353,105.92
  5. Step 5: Solve for x
    x = 6,528,869,353,105.92/3,406,817.40
  6. Step 6: Final answer
    x = 1,916,413.06

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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.