Home / 1,985,266.92-2,740,155-1,126,329.96

Finding the Fourth Proportional to 1,985,266.92, 2,740,155 and 1,126,329.96

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Solution

The fourth proportional to 1,985,266.92, 2,740,155 and 1,126,329.96 is: 1,554,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,266.92 : 2,740,155 = 1,126,329.96 : x
  2. Step 2: Convert to fraction form
    1,985,266.92/2,740,155 = 1,126,329.96/x
  3. Step 3: Cross multiply
    1,985,266.92x = 2,740,155 × 1,126,329.96
  4. Step 4: Simplify right side
    1,985,266.92x = 3,086,318,671,543.80
  5. Step 5: Solve for x
    x = 3,086,318,671,543.80/1,985,266.92
  6. Step 6: Final answer
    x = 1,554,611.44

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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.