Home / 1,953,708.87-2,696,201.87-1,137,780.89

Finding the Fourth Proportional to 1,953,708.87, 2,696,201.87 and 1,137,780.89

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Solution

The fourth proportional to 1,953,708.87, 2,696,201.87 and 1,137,780.89 is: 1,570,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,708.87 : 2,696,201.87 = 1,137,780.89 : x
  2. Step 2: Convert to fraction form
    1,953,708.87/2,696,201.87 = 1,137,780.89/x
  3. Step 3: Cross multiply
    1,953,708.87x = 2,696,201.87 × 1,137,780.89
  4. Step 4: Simplify right side
    1,953,708.87x = 3,067,686,944,098.35
  5. Step 5: Solve for x
    x = 3,067,686,944,098.35/1,953,708.87
  6. Step 6: Final answer
    x = 1,570,186.32

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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.