Home / 1,616,209.69-2,228,051.09-1,271,446.40

Finding the Fourth Proportional to 1,616,209.69, 2,228,051.09 and 1,271,446.40

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Solution

The fourth proportional to 1,616,209.69, 2,228,051.09 and 1,271,446.40 is: 1,752,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,209.69 : 2,228,051.09 = 1,271,446.40 : x
  2. Step 2: Convert to fraction form
    1,616,209.69/2,228,051.09 = 1,271,446.40/x
  3. Step 3: Cross multiply
    1,616,209.69x = 2,228,051.09 × 1,271,446.40
  4. Step 4: Simplify right side
    1,616,209.69x = 2,832,847,519,899.09
  5. Step 5: Solve for x
    x = 2,832,847,519,899.09/1,616,209.69
  6. Step 6: Final answer
    x = 1,752,772.27

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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.