Home / 1,890,316.50-2,608,839.08-1,155,701.85

Finding the Fourth Proportional to 1,890,316.50, 2,608,839.08 and 1,155,701.85

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Solution

The fourth proportional to 1,890,316.50, 2,608,839.08 and 1,155,701.85 is: 1,594,992.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,316.50 : 2,608,839.08 = 1,155,701.85 : x
  2. Step 2: Convert to fraction form
    1,890,316.50/2,608,839.08 = 1,155,701.85/x
  3. Step 3: Cross multiply
    1,890,316.50x = 2,608,839.08 × 1,155,701.85
  4. Step 4: Simplify right side
    1,890,316.50x = 3,015,040,151,108.30
  5. Step 5: Solve for x
    x = 3,015,040,151,108.30/1,890,316.50
  6. Step 6: Final answer
    x = 1,594,992.24

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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.