Home / 2,888,579.20-4,329,369.60-1,289,444.80

Finding the Fourth Proportional to 2,888,579.20, 4,329,369.60 and 1,289,444.80

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Solution

The fourth proportional to 2,888,579.20, 4,329,369.60 and 1,289,444.80 is: 1,932,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,579.20 : 4,329,369.60 = 1,289,444.80 : x
  2. Step 2: Convert to fraction form
    2,888,579.20/4,329,369.60 = 1,289,444.80/x
  3. Step 3: Cross multiply
    2,888,579.20x = 4,329,369.60 × 1,289,444.80
  4. Step 4: Simplify right side
    2,888,579.20x = 5,582,483,117,998.08
  5. Step 5: Solve for x
    x = 5,582,483,117,998.08/2,888,579.20
  6. Step 6: Final answer
    x = 1,932,605.18

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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.