Home / 3,158,985.24-4,738,491.65-1,000,020.92

Finding the Fourth Proportional to 3,158,985.24, 4,738,491.65 and 1,000,020.92

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Solution

The fourth proportional to 3,158,985.24, 4,738,491.65 and 1,000,020.92 is: 1,500,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,985.24 : 4,738,491.65 = 1,000,020.92 : x
  2. Step 2: Convert to fraction form
    3,158,985.24/4,738,491.65 = 1,000,020.92/x
  3. Step 3: Cross multiply
    3,158,985.24x = 4,738,491.65 × 1,000,020.92
  4. Step 4: Simplify right side
    3,158,985.24x = 4,738,590,750,552.76
  5. Step 5: Solve for x
    x = 4,738,590,750,552.76/3,158,985.24
  6. Step 6: Final answer
    x = 1,500,035.74

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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.