Home / 2,839,932.20-4,256,742.93-2,163,784.40

Finding the Fourth Proportional to 2,839,932.20, 4,256,742.93 and 2,163,784.40

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Solution

The fourth proportional to 2,839,932.20, 4,256,742.93 and 2,163,784.40 is: 3,243,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,932.20 : 4,256,742.93 = 2,163,784.40 : x
  2. Step 2: Convert to fraction form
    2,839,932.20/4,256,742.93 = 2,163,784.40/x
  3. Step 3: Cross multiply
    2,839,932.20x = 4,256,742.93 × 2,163,784.40
  4. Step 4: Simplify right side
    2,839,932.20x = 9,210,673,925,460.58
  5. Step 5: Solve for x
    x = 9,210,673,925,460.58/2,839,932.20
  6. Step 6: Final answer
    x = 3,243,272.48

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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.