Home / 1,892,258.21-2,611,318.85-1,213,194.69

Finding the Fourth Proportional to 1,892,258.21, 2,611,318.85 and 1,213,194.69

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Solution

The fourth proportional to 1,892,258.21, 2,611,318.85 and 1,213,194.69 is: 1,674,210.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,258.21 : 2,611,318.85 = 1,213,194.69 : x
  2. Step 2: Convert to fraction form
    1,892,258.21/2,611,318.85 = 1,213,194.69/x
  3. Step 3: Cross multiply
    1,892,258.21x = 2,611,318.85 × 1,213,194.69
  4. Step 4: Simplify right side
    1,892,258.21x = 3,168,038,156,650.93
  5. Step 5: Solve for x
    x = 3,168,038,156,650.93/1,892,258.21
  6. Step 6: Final answer
    x = 1,674,210.28

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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.