Home / 2,158,605.73-2,978,880.33-1,191,737.89

Finding the Fourth Proportional to 2,158,605.73, 2,978,880.33 and 1,191,737.89

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Solution

The fourth proportional to 2,158,605.73, 2,978,880.33 and 1,191,737.89 is: 1,644,600.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,605.73 : 2,978,880.33 = 1,191,737.89 : x
  2. Step 2: Convert to fraction form
    2,158,605.73/2,978,880.33 = 1,191,737.89/x
  3. Step 3: Cross multiply
    2,158,605.73x = 2,978,880.33 × 1,191,737.89
  4. Step 4: Simplify right side
    2,158,605.73x = 3,550,044,559,036.70
  5. Step 5: Solve for x
    x = 3,550,044,559,036.70/2,158,605.73
  6. Step 6: Final answer
    x = 1,644,600.73

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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.