Home / 3,101,035.69-4,279,521.72-1,877,564.98

Finding the Fourth Proportional to 3,101,035.69, 4,279,521.72 and 1,877,564.98

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Solution

The fourth proportional to 3,101,035.69, 4,279,521.72 and 1,877,564.98 is: 2,591,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,035.69 : 4,279,521.72 = 1,877,564.98 : x
  2. Step 2: Convert to fraction form
    3,101,035.69/4,279,521.72 = 1,877,564.98/x
  3. Step 3: Cross multiply
    3,101,035.69x = 4,279,521.72 × 1,877,564.98
  4. Step 4: Simplify right side
    3,101,035.69x = 8,035,080,112,621.37
  5. Step 5: Solve for x
    x = 8,035,080,112,621.37/3,101,035.69
  6. Step 6: Final answer
    x = 2,591,095.66

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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.