Home / 2,712,282.90-4,066,946.10-818,778.30

Finding the Fourth Proportional to 2,712,282.90, 4,066,946.10 and 818,778.30

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Solution

The fourth proportional to 2,712,282.90, 4,066,946.10 and 818,778.30 is: 1,227,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,282.90 : 4,066,946.10 = 818,778.30 : x
  2. Step 2: Convert to fraction form
    2,712,282.90/4,066,946.10 = 818,778.30/x
  3. Step 3: Cross multiply
    2,712,282.90x = 4,066,946.10 × 818,778.30
  4. Step 4: Simplify right side
    2,712,282.90x = 3,329,927,213,949.63
  5. Step 5: Solve for x
    x = 3,329,927,213,949.63/2,712,282.90
  6. Step 6: Final answer
    x = 1,227,721.20

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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.