Home / 1,898,154.12-2,619,452.94-1,038,714.56

Finding the Fourth Proportional to 1,898,154.12, 2,619,452.94 and 1,038,714.56

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Solution

The fourth proportional to 1,898,154.12, 2,619,452.94 and 1,038,714.56 is: 1,433,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,154.12 : 2,619,452.94 = 1,038,714.56 : x
  2. Step 2: Convert to fraction form
    1,898,154.12/2,619,452.94 = 1,038,714.56/x
  3. Step 3: Cross multiply
    1,898,154.12x = 2,619,452.94 × 1,038,714.56
  4. Step 4: Simplify right side
    1,898,154.12x = 2,720,863,908,012.81
  5. Step 5: Solve for x
    x = 2,720,863,908,012.81/1,898,154.12
  6. Step 6: Final answer
    x = 1,433,426.23

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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.