Home / 2,625,597.63-3,938,397.12-828,621.72

Finding the Fourth Proportional to 2,625,597.63, 3,938,397.12 and 828,621.72

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Solution

The fourth proportional to 2,625,597.63, 3,938,397.12 and 828,621.72 is: 1,242,932.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,597.63 : 3,938,397.12 = 828,621.72 : x
  2. Step 2: Convert to fraction form
    2,625,597.63/3,938,397.12 = 828,621.72/x
  3. Step 3: Cross multiply
    2,625,597.63x = 3,938,397.12 × 828,621.72
  4. Step 4: Simplify right side
    2,625,597.63x = 3,263,441,395,617.45
  5. Step 5: Solve for x
    x = 3,263,441,395,617.45/2,625,597.63
  6. Step 6: Final answer
    x = 1,242,932.79

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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.