Home / 4,283,855.89-6,422,419.64-2,931,919.77

Finding the Fourth Proportional to 4,283,855.89, 6,422,419.64 and 2,931,919.77

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Solution

The fourth proportional to 4,283,855.89, 6,422,419.64 and 2,931,919.77 is: 4,395,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283,855.89 : 6,422,419.64 = 2,931,919.77 : x
  2. Step 2: Convert to fraction form
    4,283,855.89/6,422,419.64 = 2,931,919.77/x
  3. Step 3: Cross multiply
    4,283,855.89x = 6,422,419.64 × 2,931,919.77
  4. Step 4: Simplify right side
    4,283,855.89x = 18,830,019,145,166.16
  5. Step 5: Solve for x
    x = 18,830,019,145,166.16/4,283,855.89
  6. Step 6: Final answer
    x = 4,395,577.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.