Home / 2,589,193.40-3,880,874.10-1,242,001.40

Finding the Fourth Proportional to 2,589,193.40, 3,880,874.10 and 1,242,001.40

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Solution

The fourth proportional to 2,589,193.40, 3,880,874.10 and 1,242,001.40 is: 1,861,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,193.40 : 3,880,874.10 = 1,242,001.40 : x
  2. Step 2: Convert to fraction form
    2,589,193.40/3,880,874.10 = 1,242,001.40/x
  3. Step 3: Cross multiply
    2,589,193.40x = 3,880,874.10 × 1,242,001.40
  4. Step 4: Simplify right side
    2,589,193.40x = 4,820,051,065,423.74
  5. Step 5: Solve for x
    x = 4,820,051,065,423.74/2,589,193.40
  6. Step 6: Final answer
    x = 1,861,603.33

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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.