Home / 1,898,716.40-2,620,127.20-1,039,110.40

Finding the Fourth Proportional to 1,898,716.40, 2,620,127.20 and 1,039,110.40

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Solution

The fourth proportional to 1,898,716.40, 2,620,127.20 and 1,039,110.40 is: 1,433,916.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,716.40 : 2,620,127.20 = 1,039,110.40 : x
  2. Step 2: Convert to fraction form
    1,898,716.40/2,620,127.20 = 1,039,110.40/x
  3. Step 3: Cross multiply
    1,898,716.40x = 2,620,127.20 × 1,039,110.40
  4. Step 4: Simplify right side
    1,898,716.40x = 2,722,601,422,842.88
  5. Step 5: Solve for x
    x = 2,722,601,422,842.88/1,898,716.40
  6. Step 6: Final answer
    x = 1,433,916.84

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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.