Home / 1,931,675.60-2,665,722.65-1,206,943.62

Finding the Fourth Proportional to 1,931,675.60, 2,665,722.65 and 1,206,943.62

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Solution

The fourth proportional to 1,931,675.60, 2,665,722.65 and 1,206,943.62 is: 1,665,588.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,675.60 : 2,665,722.65 = 1,206,943.62 : x
  2. Step 2: Convert to fraction form
    1,931,675.60/2,665,722.65 = 1,206,943.62/x
  3. Step 3: Cross multiply
    1,931,675.60x = 2,665,722.65 × 1,206,943.62
  4. Step 4: Simplify right side
    1,931,675.60x = 3,217,376,939,072.28
  5. Step 5: Solve for x
    x = 3,217,376,939,072.28/1,931,675.60
  6. Step 6: Final answer
    x = 1,665,588.65

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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.