Home / 3,112,894.80-4,295,141.55-1,889,844.30

Finding the Fourth Proportional to 3,112,894.80, 4,295,141.55 and 1,889,844.30

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Solution

The fourth proportional to 3,112,894.80, 4,295,141.55 and 1,889,844.30 is: 2,607,588.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,894.80 : 4,295,141.55 = 1,889,844.30 : x
  2. Step 2: Convert to fraction form
    3,112,894.80/4,295,141.55 = 1,889,844.30/x
  3. Step 3: Cross multiply
    3,112,894.80x = 4,295,141.55 × 1,889,844.30
  4. Step 4: Simplify right side
    3,112,894.80x = 8,117,148,775,960.67
  5. Step 5: Solve for x
    x = 8,117,148,775,960.67/3,112,894.80
  6. Step 6: Final answer
    x = 2,607,588.53

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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.