Home / 2,786,021.12-4,178,339.57-1,572,130.63

Finding the Fourth Proportional to 2,786,021.12, 4,178,339.57 and 1,572,130.63

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Solution

The fourth proportional to 2,786,021.12, 4,178,339.57 and 1,572,130.63 is: 2,357,805.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,021.12 : 4,178,339.57 = 1,572,130.63 : x
  2. Step 2: Convert to fraction form
    2,786,021.12/4,178,339.57 = 1,572,130.63/x
  3. Step 3: Cross multiply
    2,786,021.12x = 4,178,339.57 × 1,572,130.63
  4. Step 4: Simplify right side
    2,786,021.12x = 6,568,895,629,691.28
  5. Step 5: Solve for x
    x = 6,568,895,629,691.28/2,786,021.12
  6. Step 6: Final answer
    x = 2,357,805.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.