Home / 1,609,272.45-2,220,028.61-1,172,753.93

Finding the Fourth Proportional to 1,609,272.45, 2,220,028.61 and 1,172,753.93

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Solution

The fourth proportional to 1,609,272.45, 2,220,028.61 and 1,172,753.93 is: 1,617,841.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,272.45 : 2,220,028.61 = 1,172,753.93 : x
  2. Step 2: Convert to fraction form
    1,609,272.45/2,220,028.61 = 1,172,753.93/x
  3. Step 3: Cross multiply
    1,609,272.45x = 2,220,028.61 × 1,172,753.93
  4. Step 4: Simplify right side
    1,609,272.45x = 2,603,547,260,126.03
  5. Step 5: Solve for x
    x = 2,603,547,260,126.03/1,609,272.45
  6. Step 6: Final answer
    x = 1,617,841.19

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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.