Home / 2,100,015.09-2,897,870.54-1,182,196.80

Finding the Fourth Proportional to 2,100,015.09, 2,897,870.54 and 1,182,196.80

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Solution

The fourth proportional to 2,100,015.09, 2,897,870.54 and 1,182,196.80 is: 1,631,346.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,015.09 : 2,897,870.54 = 1,182,196.80 : x
  2. Step 2: Convert to fraction form
    2,100,015.09/2,897,870.54 = 1,182,196.80/x
  3. Step 3: Cross multiply
    2,100,015.09x = 2,897,870.54 × 1,182,196.80
  4. Step 4: Simplify right side
    2,100,015.09x = 3,425,853,273,291.29
  5. Step 5: Solve for x
    x = 3,425,853,273,291.29/2,100,015.09
  6. Step 6: Final answer
    x = 1,631,346.98

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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.