Home / 2,989,888.20-4,484,103.30-859,750.20

Finding the Fourth Proportional to 2,989,888.20, 4,484,103.30 and 859,750.20

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Solution

The fourth proportional to 2,989,888.20, 4,484,103.30 and 859,750.20 is: 1,289,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,888.20 : 4,484,103.30 = 859,750.20 : x
  2. Step 2: Convert to fraction form
    2,989,888.20/4,484,103.30 = 859,750.20/x
  3. Step 3: Cross multiply
    2,989,888.20x = 4,484,103.30 × 859,750.20
  4. Step 4: Simplify right side
    2,989,888.20x = 3,855,208,708,995.66
  5. Step 5: Solve for x
    x = 3,855,208,708,995.66/2,989,888.20
  6. Step 6: Final answer
    x = 1,289,415.67

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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.