Home / 5,355,127.81-7,388,251.40-3,422,503.31

Finding the Fourth Proportional to 5,355,127.81, 7,388,251.40 and 3,422,503.31

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Solution

The fourth proportional to 5,355,127.81, 7,388,251.40 and 3,422,503.31 is: 4,721,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,127.81 : 7,388,251.40 = 3,422,503.31 : x
  2. Step 2: Convert to fraction form
    5,355,127.81/7,388,251.40 = 3,422,503.31/x
  3. Step 3: Cross multiply
    5,355,127.81x = 7,388,251.40 × 3,422,503.31
  4. Step 4: Simplify right side
    5,355,127.81x = 25,286,314,854,499.62
  5. Step 5: Solve for x
    x = 25,286,314,854,499.62/5,355,127.81
  6. Step 6: Final answer
    x = 4,721,888.21

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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.