Home / 2,911,987.84-4,017,359.52-1,932,388.84

Finding the Fourth Proportional to 2,911,987.84, 4,017,359.52 and 1,932,388.84

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Solution

The fourth proportional to 2,911,987.84, 4,017,359.52 and 1,932,388.84 is: 2,665,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,987.84 : 4,017,359.52 = 1,932,388.84 : x
  2. Step 2: Convert to fraction form
    2,911,987.84/4,017,359.52 = 1,932,388.84/x
  3. Step 3: Cross multiply
    2,911,987.84x = 4,017,359.52 × 1,932,388.84
  4. Step 4: Simplify right side
    2,911,987.84x = 7,763,100,702,715.76
  5. Step 5: Solve for x
    x = 7,763,100,702,715.76/2,911,987.84
  6. Step 6: Final answer
    x = 2,665,911.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.