Home / 1,898,918.30-2,620,514.34-1,039,558.52

Finding the Fourth Proportional to 1,898,918.30, 2,620,514.34 and 1,039,558.52

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Solution

The fourth proportional to 1,898,918.30, 2,620,514.34 and 1,039,558.52 is: 1,434,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,918.30 : 2,620,514.34 = 1,039,558.52 : x
  2. Step 2: Convert to fraction form
    1,898,918.30/2,620,514.34 = 1,039,558.52/x
  3. Step 3: Cross multiply
    1,898,918.30x = 2,620,514.34 × 1,039,558.52
  4. Step 4: Simplify right side
    1,898,918.30x = 2,724,178,015,480.46
  5. Step 5: Solve for x
    x = 2,724,178,015,480.46/1,898,918.30
  6. Step 6: Final answer
    x = 1,434,594.64

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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.