Home / 2,191,559.04-3,288,864.60-771,729.48

Finding the Fourth Proportional to 2,191,559.04, 3,288,864.60 and 771,729.48

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Solution

The fourth proportional to 2,191,559.04, 3,288,864.60 and 771,729.48 is: 1,158,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,559.04 : 3,288,864.60 = 771,729.48 : x
  2. Step 2: Convert to fraction form
    2,191,559.04/3,288,864.60 = 771,729.48/x
  3. Step 3: Cross multiply
    2,191,559.04x = 3,288,864.60 × 771,729.48
  4. Step 4: Simplify right side
    2,191,559.04x = 2,538,113,767,548.41
  5. Step 5: Solve for x
    x = 2,538,113,767,548.41/2,191,559.04
  6. Step 6: Final answer
    x = 1,158,131.60

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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.