Home / 2,172,855.93-2,998,518.53-1,205,994.57

Finding the Fourth Proportional to 2,172,855.93, 2,998,518.53 and 1,205,994.57

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Solution

The fourth proportional to 2,172,855.93, 2,998,518.53 and 1,205,994.57 is: 1,664,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,855.93 : 2,998,518.53 = 1,205,994.57 : x
  2. Step 2: Convert to fraction form
    2,172,855.93/2,998,518.53 = 1,205,994.57/x
  3. Step 3: Cross multiply
    2,172,855.93x = 2,998,518.53 × 1,205,994.57
  4. Step 4: Simplify right side
    2,172,855.93x = 3,616,197,059,194.41
  5. Step 5: Solve for x
    x = 3,616,197,059,194.41/2,172,855.93
  6. Step 6: Final answer
    x = 1,664,259.93

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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.