Home / 1,835,665.12-2,533,580.16-1,172,953.09

Finding the Fourth Proportional to 1,835,665.12, 2,533,580.16 and 1,172,953.09

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Solution

The fourth proportional to 1,835,665.12, 2,533,580.16 and 1,172,953.09 is: 1,618,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835,665.12 : 2,533,580.16 = 1,172,953.09 : x
  2. Step 2: Convert to fraction form
    1,835,665.12/2,533,580.16 = 1,172,953.09/x
  3. Step 3: Cross multiply
    1,835,665.12x = 2,533,580.16 × 1,172,953.09
  4. Step 4: Simplify right side
    1,835,665.12x = 2,971,770,677,434.70
  5. Step 5: Solve for x
    x = 2,971,770,677,434.70/1,835,665.12
  6. Step 6: Final answer
    x = 1,618,906.76

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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.