Home / 2,309,448.35-3,186,814.01-1,276,814.72

Finding the Fourth Proportional to 2,309,448.35, 3,186,814.01 and 1,276,814.72

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Solution

The fourth proportional to 2,309,448.35, 3,186,814.01 and 1,276,814.72 is: 1,761,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,448.35 : 3,186,814.01 = 1,276,814.72 : x
  2. Step 2: Convert to fraction form
    2,309,448.35/3,186,814.01 = 1,276,814.72/x
  3. Step 3: Cross multiply
    2,309,448.35x = 3,186,814.01 × 1,276,814.72
  4. Step 4: Simplify right side
    2,309,448.35x = 4,068,971,015,552.08
  5. Step 5: Solve for x
    x = 4,068,971,015,552.08/2,309,448.35
  6. Step 6: Final answer
    x = 1,761,880.07

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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.