Home / 3,931,282.05-5,424,271.63-2,211,775.17

Finding the Fourth Proportional to 3,931,282.05, 5,424,271.63 and 2,211,775.17

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Solution

The fourth proportional to 3,931,282.05, 5,424,271.63 and 2,211,775.17 is: 3,051,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,282.05 : 5,424,271.63 = 2,211,775.17 : x
  2. Step 2: Convert to fraction form
    3,931,282.05/5,424,271.63 = 2,211,775.17/x
  3. Step 3: Cross multiply
    3,931,282.05x = 5,424,271.63 × 2,211,775.17
  4. Step 4: Simplify right side
    3,931,282.05x = 11,997,269,306,569.43
  5. Step 5: Solve for x
    x = 11,997,269,306,569.43/3,931,282.05
  6. Step 6: Final answer
    x = 3,051,744.74

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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.