Home / 2,114,357.80-2,917,815.78-1,147,488.28

Finding the Fourth Proportional to 2,114,357.80, 2,917,815.78 and 1,147,488.28

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Solution

The fourth proportional to 2,114,357.80, 2,917,815.78 and 1,147,488.28 is: 1,583,534.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,357.80 : 2,917,815.78 = 1,147,488.28 : x
  2. Step 2: Convert to fraction form
    2,114,357.80/2,917,815.78 = 1,147,488.28/x
  3. Step 3: Cross multiply
    2,114,357.80x = 2,917,815.78 × 1,147,488.28
  4. Step 4: Simplify right side
    2,114,357.80x = 3,348,159,410,749.06
  5. Step 5: Solve for x
    x = 3,348,159,410,749.06/2,114,357.80
  6. Step 6: Final answer
    x = 1,583,534.92

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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.