Home / 4,280,518.74-6,421,766.31-1,440,561.54

Finding the Fourth Proportional to 4,280,518.74, 6,421,766.31 and 1,440,561.54

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Solution

The fourth proportional to 4,280,518.74, 6,421,766.31 and 1,440,561.54 is: 2,161,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280,518.74 : 6,421,766.31 = 1,440,561.54 : x
  2. Step 2: Convert to fraction form
    4,280,518.74/6,421,766.31 = 1,440,561.54/x
  3. Step 3: Cross multiply
    4,280,518.74x = 6,421,766.31 × 1,440,561.54
  4. Step 4: Simplify right side
    4,280,518.74x = 9,250,949,565,053.72
  5. Step 5: Solve for x
    x = 9,250,949,565,053.72/4,280,518.74
  6. Step 6: Final answer
    x = 2,161,174.88

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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.