Home / 3,111,482.87-4,669,405.94-1,289,875.89

Finding the Fourth Proportional to 3,111,482.87, 4,669,405.94 and 1,289,875.89

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Solution

The fourth proportional to 3,111,482.87, 4,669,405.94 and 1,289,875.89 is: 1,935,718.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,482.87 : 4,669,405.94 = 1,289,875.89 : x
  2. Step 2: Convert to fraction form
    3,111,482.87/4,669,405.94 = 1,289,875.89/x
  3. Step 3: Cross multiply
    3,111,482.87x = 4,669,405.94 × 1,289,875.89
  4. Step 4: Simplify right side
    3,111,482.87x = 6,022,954,142,628.79
  5. Step 5: Solve for x
    x = 6,022,954,142,628.79/3,111,482.87
  6. Step 6: Final answer
    x = 1,935,718.24

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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.