Home / 5,211,486.44-7,191,488.31-2,888,356.22

Finding the Fourth Proportional to 5,211,486.44, 7,191,488.31 and 2,888,356.22

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Solution

The fourth proportional to 5,211,486.44, 7,191,488.31 and 2,888,356.22 is: 3,985,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,486.44 : 7,191,488.31 = 2,888,356.22 : x
  2. Step 2: Convert to fraction form
    5,211,486.44/7,191,488.31 = 2,888,356.22/x
  3. Step 3: Cross multiply
    5,211,486.44x = 7,191,488.31 × 2,888,356.22
  4. Step 4: Simplify right side
    5,211,486.44x = 20,771,579,991,245.79
  5. Step 5: Solve for x
    x = 20,771,579,991,245.79/5,211,486.44
  6. Step 6: Final answer
    x = 3,985,730.41

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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.