Home / 2,848,769.81-3,931,799.25-1,687,869.68

Finding the Fourth Proportional to 2,848,769.81, 3,931,799.25 and 1,687,869.68

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Solution

The fourth proportional to 2,848,769.81, 3,931,799.25 and 1,687,869.68 is: 2,329,554.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848,769.81 : 3,931,799.25 = 1,687,869.68 : x
  2. Step 2: Convert to fraction form
    2,848,769.81/3,931,799.25 = 1,687,869.68/x
  3. Step 3: Cross multiply
    2,848,769.81x = 3,931,799.25 × 1,687,869.68
  4. Step 4: Simplify right side
    2,848,769.81x = 6,636,364,722,262.74
  5. Step 5: Solve for x
    x = 6,636,364,722,262.74/2,848,769.81
  6. Step 6: Final answer
    x = 2,329,554.57

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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.