Home / 1,977,631.88-2,981,270.51-1,845,803.90

Finding the Fourth Proportional to 1,977,631.88, 2,981,270.51 and 1,845,803.90

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Solution

The fourth proportional to 1,977,631.88, 2,981,270.51 and 1,845,803.90 is: 2,782,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,631.88 : 2,981,270.51 = 1,845,803.90 : x
  2. Step 2: Convert to fraction form
    1,977,631.88/2,981,270.51 = 1,845,803.90/x
  3. Step 3: Cross multiply
    1,977,631.88x = 2,981,270.51 × 1,845,803.90
  4. Step 4: Simplify right side
    1,977,631.88x = 5,502,840,710,177.62
  5. Step 5: Solve for x
    x = 5,502,840,710,177.62/1,977,631.88
  6. Step 6: Final answer
    x = 2,782,540.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.