Home / 2,782,000.71-4,173,284.25-960,128.55

Finding the Fourth Proportional to 2,782,000.71, 4,173,284.25 and 960,128.55

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Solution

The fourth proportional to 2,782,000.71, 4,173,284.25 and 960,128.55 is: 1,440,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,000.71 : 4,173,284.25 = 960,128.55 : x
  2. Step 2: Convert to fraction form
    2,782,000.71/4,173,284.25 = 960,128.55/x
  3. Step 3: Cross multiply
    2,782,000.71x = 4,173,284.25 × 960,128.55
  4. Step 4: Simplify right side
    2,782,000.71x = 4,006,889,355,690.34
  5. Step 5: Solve for x
    x = 4,006,889,355,690.34/2,782,000.71
  6. Step 6: Final answer
    x = 1,440,290.56

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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.