Home / 2,888,021.20-3,985,317.72-1,581,022.68

Finding the Fourth Proportional to 2,888,021.20, 3,985,317.72 and 1,581,022.68

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Solution

The fourth proportional to 2,888,021.20, 3,985,317.72 and 1,581,022.68 is: 2,181,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,021.20 : 3,985,317.72 = 1,581,022.68 : x
  2. Step 2: Convert to fraction form
    2,888,021.20/3,985,317.72 = 1,581,022.68/x
  3. Step 3: Cross multiply
    2,888,021.20x = 3,985,317.72 × 1,581,022.68
  4. Step 4: Simplify right side
    2,888,021.20x = 6,300,877,702,325.89
  5. Step 5: Solve for x
    x = 6,300,877,702,325.89/2,888,021.20
  6. Step 6: Final answer
    x = 2,181,728.34

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1.5x scale

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.