Home / 5,435,870-7,501,309.44-2,988,463.36

Finding the Fourth Proportional to 5,435,870, 7,501,309.44 and 2,988,463.36

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Solution

The fourth proportional to 5,435,870, 7,501,309.44 and 2,988,463.36 is: 4,123,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435,870 : 7,501,309.44 = 2,988,463.36 : x
  2. Step 2: Convert to fraction form
    5,435,870/7,501,309.44 = 2,988,463.36/x
  3. Step 3: Cross multiply
    5,435,870x = 7,501,309.44 × 2,988,463.36
  4. Step 4: Simplify right side
    5,435,870x = 22,417,388,413,462.12
  5. Step 5: Solve for x
    x = 22,417,388,413,462.12/5,435,870
  6. Step 6: Final answer
    x = 4,123,974.34

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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.