Home / 2,131,394.05-2,941,289.03-1,164,503.53

Finding the Fourth Proportional to 2,131,394.05, 2,941,289.03 and 1,164,503.53

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Solution

The fourth proportional to 2,131,394.05, 2,941,289.03 and 1,164,503.53 is: 1,606,995.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,394.05 : 2,941,289.03 = 1,164,503.53 : x
  2. Step 2: Convert to fraction form
    2,131,394.05/2,941,289.03 = 1,164,503.53/x
  3. Step 3: Cross multiply
    2,131,394.05x = 2,941,289.03 × 1,164,503.53
  4. Step 4: Simplify right side
    2,131,394.05x = 3,425,141,437,656.31
  5. Step 5: Solve for x
    x = 3,425,141,437,656.31/2,131,394.05
  6. Step 6: Final answer
    x = 1,606,995.87

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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.