Home / 2,134,543.61-3,196,684.14-1,220,957.17

Finding the Fourth Proportional to 2,134,543.61, 3,196,684.14 and 1,220,957.17

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Solution

The fourth proportional to 2,134,543.61, 3,196,684.14 and 1,220,957.17 is: 1,828,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,543.61 : 3,196,684.14 = 1,220,957.17 : x
  2. Step 2: Convert to fraction form
    2,134,543.61/3,196,684.14 = 1,220,957.17/x
  3. Step 3: Cross multiply
    2,134,543.61x = 3,196,684.14 × 1,220,957.17
  4. Step 4: Simplify right side
    2,134,543.61x = 3,903,014,408,387.98
  5. Step 5: Solve for x
    x = 3,903,014,408,387.98/2,134,543.61
  6. Step 6: Final answer
    x = 1,828,500.66

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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.