Home / 2,888,018.21-3,985,313.58-1,581,019.68

Finding the Fourth Proportional to 2,888,018.21, 3,985,313.58 and 1,581,019.68

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Solution

The fourth proportional to 2,888,018.21, 3,985,313.58 and 1,581,019.68 is: 2,181,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,018.21 : 3,985,313.58 = 1,581,019.68 : x
  2. Step 2: Convert to fraction form
    2,888,018.21/3,985,313.58 = 1,581,019.68/x
  3. Step 3: Cross multiply
    2,888,018.21x = 3,985,313.58 × 1,581,019.68
  4. Step 4: Simplify right side
    2,888,018.21x = 6,300,859,200,951.25
  5. Step 5: Solve for x
    x = 6,300,859,200,951.25/2,888,018.21
  6. Step 6: Final answer
    x = 2,181,724.20

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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.