Home / 3,430,972.89-4,734,727.43-1,960,856.91

Finding the Fourth Proportional to 3,430,972.89, 4,734,727.43 and 1,960,856.91

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Solution

The fourth proportional to 3,430,972.89, 4,734,727.43 and 1,960,856.91 is: 2,705,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,972.89 : 4,734,727.43 = 1,960,856.91 : x
  2. Step 2: Convert to fraction form
    3,430,972.89/4,734,727.43 = 1,960,856.91/x
  3. Step 3: Cross multiply
    3,430,972.89x = 4,734,727.43 × 1,960,856.91
  4. Step 4: Simplify right side
    3,430,972.89x = 9,284,122,988,277.76
  5. Step 5: Solve for x
    x = 9,284,122,988,277.76/3,430,972.89
  6. Step 6: Final answer
    x = 2,705,973.87

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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.