Home / 2,288,681.22-3,430,628.82-771,840.12

Finding the Fourth Proportional to 2,288,681.22, 3,430,628.82 and 771,840.12

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Solution

The fourth proportional to 2,288,681.22, 3,430,628.82 and 771,840.12 is: 1,156,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288,681.22 : 3,430,628.82 = 771,840.12 : x
  2. Step 2: Convert to fraction form
    2,288,681.22/3,430,628.82 = 771,840.12/x
  3. Step 3: Cross multiply
    2,288,681.22x = 3,430,628.82 × 771,840.12
  4. Step 4: Simplify right side
    2,288,681.22x = 2,647,896,960,104.26
  5. Step 5: Solve for x
    x = 2,647,896,960,104.26/2,288,681.22
  6. Step 6: Final answer
    x = 1,156,953.16

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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.