Home / 2,900,352.58-4,003,564.41-2,490,809.86

Finding the Fourth Proportional to 2,900,352.58, 4,003,564.41 and 2,490,809.86

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Solution

The fourth proportional to 2,900,352.58, 4,003,564.41 and 2,490,809.86 is: 3,438,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900,352.58 : 4,003,564.41 = 2,490,809.86 : x
  2. Step 2: Convert to fraction form
    2,900,352.58/4,003,564.41 = 2,490,809.86/x
  3. Step 3: Cross multiply
    2,900,352.58x = 4,003,564.41 × 2,490,809.86
  4. Step 4: Simplify right side
    2,900,352.58x = 9,972,117,707,573.08
  5. Step 5: Solve for x
    x = 9,972,117,707,573.08/2,900,352.58
  6. Step 6: Final answer
    x = 3,438,243.26

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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.