Home / 1,889,310.15-2,607,226.79-1,029,851.55

Finding the Fourth Proportional to 1,889,310.15, 2,607,226.79 and 1,029,851.55

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Solution

The fourth proportional to 1,889,310.15, 2,607,226.79 and 1,029,851.55 is: 1,421,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,310.15 : 2,607,226.79 = 1,029,851.55 : x
  2. Step 2: Convert to fraction form
    1,889,310.15/2,607,226.79 = 1,029,851.55/x
  3. Step 3: Cross multiply
    1,889,310.15x = 2,607,226.79 × 1,029,851.55
  4. Step 4: Simplify right side
    1,889,310.15x = 2,685,056,545,733.77
  5. Step 5: Solve for x
    x = 2,685,056,545,733.77/1,889,310.15
  6. Step 6: Final answer
    x = 1,421,183.57

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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.