Home / 1,898,872.22-2,620,447.06-1,039,485.10

Finding the Fourth Proportional to 1,898,872.22, 2,620,447.06 and 1,039,485.10

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Solution

The fourth proportional to 1,898,872.22, 2,620,447.06 and 1,039,485.10 is: 1,434,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,872.22 : 2,620,447.06 = 1,039,485.10 : x
  2. Step 2: Convert to fraction form
    1,898,872.22/2,620,447.06 = 1,039,485.10/x
  3. Step 3: Cross multiply
    1,898,872.22x = 2,620,447.06 × 1,039,485.10
  4. Step 4: Simplify right side
    1,898,872.22x = 2,723,915,674,208.81
  5. Step 5: Solve for x
    x = 2,723,915,674,208.81/1,898,872.22
  6. Step 6: Final answer
    x = 1,434,491.30

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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.