Home / 1,863,658.18-2,565,501.42-1,379,310.58

Finding the Fourth Proportional to 1,863,658.18, 2,565,501.42 and 1,379,310.58

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Solution

The fourth proportional to 1,863,658.18, 2,565,501.42 and 1,379,310.58 is: 1,898,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,658.18 : 2,565,501.42 = 1,379,310.58 : x
  2. Step 2: Convert to fraction form
    1,863,658.18/2,565,501.42 = 1,379,310.58/x
  3. Step 3: Cross multiply
    1,863,658.18x = 2,565,501.42 × 1,379,310.58
  4. Step 4: Simplify right side
    1,863,658.18x = 3,538,623,251,611.02
  5. Step 5: Solve for x
    x = 3,538,623,251,611.02/1,863,658.18
  6. Step 6: Final answer
    x = 1,898,751.22

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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.