Home / 1,621,172.17-2,236,057.29-1,137,845.17

Finding the Fourth Proportional to 1,621,172.17, 2,236,057.29 and 1,137,845.17

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Solution

The fourth proportional to 1,621,172.17, 2,236,057.29 and 1,137,845.17 is: 1,569,411.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,172.17 : 2,236,057.29 = 1,137,845.17 : x
  2. Step 2: Convert to fraction form
    1,621,172.17/2,236,057.29 = 1,137,845.17/x
  3. Step 3: Cross multiply
    1,621,172.17x = 2,236,057.29 × 1,137,845.17
  4. Step 4: Simplify right side
    1,621,172.17x = 2,544,286,987,269.79
  5. Step 5: Solve for x
    x = 2,544,286,987,269.79/1,621,172.17
  6. Step 6: Final answer
    x = 1,569,411.96

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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.