Home / 2,134,543.86-3,196,684.51-1,220,957.42

Finding the Fourth Proportional to 2,134,543.86, 3,196,684.51 and 1,220,957.42

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Solution

The fourth proportional to 2,134,543.86, 3,196,684.51 and 1,220,957.42 is: 1,828,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,543.86 : 3,196,684.51 = 1,220,957.42 : x
  2. Step 2: Convert to fraction form
    2,134,543.86/3,196,684.51 = 1,220,957.42/x
  3. Step 3: Cross multiply
    2,134,543.86x = 3,196,684.51 × 1,220,957.42
  4. Step 4: Simplify right side
    2,134,543.86x = 3,903,015,663,891.85
  5. Step 5: Solve for x
    x = 3,903,015,663,891.85/2,134,543.86
  6. Step 6: Final answer
    x = 1,828,501.04

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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.