Home / 1,858,469.10-2,565,416.76-1,317,432.84

Finding the Fourth Proportional to 1,858,469.10, 2,565,416.76 and 1,317,432.84

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Solution

The fourth proportional to 1,858,469.10, 2,565,416.76 and 1,317,432.84 is: 1,818,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,469.10 : 2,565,416.76 = 1,317,432.84 : x
  2. Step 2: Convert to fraction form
    1,858,469.10/2,565,416.76 = 1,317,432.84/x
  3. Step 3: Cross multiply
    1,858,469.10x = 2,565,416.76 × 1,317,432.84
  4. Step 4: Simplify right side
    1,858,469.10x = 3,379,764,287,910.40
  5. Step 5: Solve for x
    x = 3,379,764,287,910.40/1,858,469.10
  6. Step 6: Final answer
    x = 1,818,574.38

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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.