Home / 2,123,918.08-2,930,995.45-1,157,046.05

Finding the Fourth Proportional to 2,123,918.08, 2,930,995.45 and 1,157,046.05

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Solution

The fourth proportional to 2,123,918.08, 2,930,995.45 and 1,157,046.05 is: 1,596,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,918.08 : 2,930,995.45 = 1,157,046.05 : x
  2. Step 2: Convert to fraction form
    2,123,918.08/2,930,995.45 = 1,157,046.05/x
  3. Step 3: Cross multiply
    2,123,918.08x = 2,930,995.45 × 1,157,046.05
  4. Step 4: Simplify right side
    2,123,918.08x = 3,391,296,707,990.47
  5. Step 5: Solve for x
    x = 3,391,296,707,990.47/2,123,918.08
  6. Step 6: Final answer
    x = 1,596,717.28

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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.