Home / 1,898,570.42-2,620,007.21-1,027,386.04

Finding the Fourth Proportional to 1,898,570.42, 2,620,007.21 and 1,027,386.04

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Solution

The fourth proportional to 1,898,570.42, 2,620,007.21 and 1,027,386.04 is: 1,417,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,570.42 : 2,620,007.21 = 1,027,386.04 : x
  2. Step 2: Convert to fraction form
    1,898,570.42/2,620,007.21 = 1,027,386.04/x
  3. Step 3: Cross multiply
    1,898,570.42x = 2,620,007.21 × 1,027,386.04
  4. Step 4: Simplify right side
    1,898,570.42x = 2,691,758,836,146.21
  5. Step 5: Solve for x
    x = 2,691,758,836,146.21/1,898,570.42
  6. Step 6: Final answer
    x = 1,417,781.93

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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.