Home / 4,885,436.05-7,328,216.40-1,291,171.93

Finding the Fourth Proportional to 4,885,436.05, 7,328,216.40 and 1,291,171.93

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Solution

The fourth proportional to 4,885,436.05, 7,328,216.40 and 1,291,171.93 is: 1,936,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,436.05 : 7,328,216.40 = 1,291,171.93 : x
  2. Step 2: Convert to fraction form
    4,885,436.05/7,328,216.40 = 1,291,171.93/x
  3. Step 3: Cross multiply
    4,885,436.05x = 7,328,216.40 × 1,291,171.93
  4. Step 4: Simplify right side
    4,885,436.05x = 9,461,987,312,645.65
  5. Step 5: Solve for x
    x = 9,461,987,312,645.65/4,885,436.05
  6. Step 6: Final answer
    x = 1,936,774.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.