Home / 3,189,283.90-4,782,595.69-1,000,289.55

Finding the Fourth Proportional to 3,189,283.90, 4,782,595.69 and 1,000,289.55

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Solution

The fourth proportional to 3,189,283.90, 4,782,595.69 and 1,000,289.55 is: 1,500,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,283.90 : 4,782,595.69 = 1,000,289.55 : x
  2. Step 2: Convert to fraction form
    3,189,283.90/4,782,595.69 = 1,000,289.55/x
  3. Step 3: Cross multiply
    3,189,283.90x = 4,782,595.69 × 1,000,289.55
  4. Step 4: Simplify right side
    3,189,283.90x = 4,783,980,509,767.14
  5. Step 5: Solve for x
    x = 4,783,980,509,767.14/3,189,283.90
  6. Step 6: Final answer
    x = 1,500,017.14

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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.