Home / 1,812,912.20-2,716,415.85-1,334,615.30

Finding the Fourth Proportional to 1,812,912.20, 2,716,415.85 and 1,334,615.30

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Solution

The fourth proportional to 1,812,912.20, 2,716,415.85 and 1,334,615.30 is: 1,999,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,912.20 : 2,716,415.85 = 1,334,615.30 : x
  2. Step 2: Convert to fraction form
    1,812,912.20/2,716,415.85 = 1,334,615.30/x
  3. Step 3: Cross multiply
    1,812,912.20x = 2,716,415.85 × 1,334,615.30
  4. Step 4: Simplify right side
    1,812,912.20x = 3,625,370,154,572.51
  5. Step 5: Solve for x
    x = 3,625,370,154,572.51/1,812,912.20
  6. Step 6: Final answer
    x = 1,999,749.44

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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.