Home / 2,135,042.40-2,946,285.21-1,217,566.83

Finding the Fourth Proportional to 2,135,042.40, 2,946,285.21 and 1,217,566.83

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Solution

The fourth proportional to 2,135,042.40, 2,946,285.21 and 1,217,566.83 is: 1,680,200.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,042.40 : 2,946,285.21 = 1,217,566.83 : x
  2. Step 2: Convert to fraction form
    2,135,042.40/2,946,285.21 = 1,217,566.83/x
  3. Step 3: Cross multiply
    2,135,042.40x = 2,946,285.21 × 1,217,566.83
  4. Step 4: Simplify right side
    2,135,042.40x = 3,587,299,143,415.58
  5. Step 5: Solve for x
    x = 3,587,299,143,415.58/2,135,042.40
  6. Step 6: Final answer
    x = 1,680,200.42

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1.5x scale

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.