Home / 2,661,254.74-3,991,445.31-742,296.50

Finding the Fourth Proportional to 2,661,254.74, 3,991,445.31 and 742,296.50

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Solution

The fourth proportional to 2,661,254.74, 3,991,445.31 and 742,296.50 is: 1,113,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,254.74 : 3,991,445.31 = 742,296.50 : x
  2. Step 2: Convert to fraction form
    2,661,254.74/3,991,445.31 = 742,296.50/x
  3. Step 3: Cross multiply
    2,661,254.74x = 3,991,445.31 × 742,296.50
  4. Step 4: Simplify right side
    2,661,254.74x = 2,962,835,863,597.19
  5. Step 5: Solve for x
    x = 2,962,835,863,597.19/2,661,254.74
  6. Step 6: Final answer
    x = 1,113,322.91

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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.