Home / 2,005,130.78-2,767,081.12-1,087,359.65

Finding the Fourth Proportional to 2,005,130.78, 2,767,081.12 and 1,087,359.65

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Solution

The fourth proportional to 2,005,130.78, 2,767,081.12 and 1,087,359.65 is: 1,500,556.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,130.78 : 2,767,081.12 = 1,087,359.65 : x
  2. Step 2: Convert to fraction form
    2,005,130.78/2,767,081.12 = 1,087,359.65/x
  3. Step 3: Cross multiply
    2,005,130.78x = 2,767,081.12 × 1,087,359.65
  4. Step 4: Simplify right side
    2,005,130.78x = 3,008,812,362,364.11
  5. Step 5: Solve for x
    x = 3,008,812,362,364.11/2,005,130.78
  6. Step 6: Final answer
    x = 1,500,556.67

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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.