Home / 3,880,991.80-5,831,985.30-3,419,097.40

Finding the Fourth Proportional to 3,880,991.80, 5,831,985.30 and 3,419,097.40

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Solution

The fourth proportional to 3,880,991.80, 5,831,985.30 and 3,419,097.40 is: 5,137,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,991.80 : 5,831,985.30 = 3,419,097.40 : x
  2. Step 2: Convert to fraction form
    3,880,991.80/5,831,985.30 = 3,419,097.40/x
  3. Step 3: Cross multiply
    3,880,991.80x = 5,831,985.30 × 3,419,097.40
  4. Step 4: Simplify right side
    3,880,991.80x = 19,940,125,776,068.22
  5. Step 5: Solve for x
    x = 19,940,125,776,068.22/3,880,991.80
  6. Step 6: Final answer
    x = 5,137,894.33

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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.