Home / 2,842,620.80-4,256,932.80-1,890,838.40

Finding the Fourth Proportional to 2,842,620.80, 4,256,932.80 and 1,890,838.40

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Solution

The fourth proportional to 2,842,620.80, 4,256,932.80 and 1,890,838.40 is: 2,831,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842,620.80 : 4,256,932.80 = 1,890,838.40 : x
  2. Step 2: Convert to fraction form
    2,842,620.80/4,256,932.80 = 1,890,838.40/x
  3. Step 3: Cross multiply
    2,842,620.80x = 4,256,932.80 × 1,890,838.40
  4. Step 4: Simplify right side
    2,842,620.80x = 8,049,172,004,459.52
  5. Step 5: Solve for x
    x = 8,049,172,004,459.52/2,842,620.80
  6. Step 6: Final answer
    x = 2,831,602.44

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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.