Home / 1,980,587.06-2,970,847.47-632,739.86

Finding the Fourth Proportional to 1,980,587.06, 2,970,847.47 and 632,739.86

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Solution

The fourth proportional to 1,980,587.06, 2,970,847.47 and 632,739.86 is: 949,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,587.06 : 2,970,847.47 = 632,739.86 : x
  2. Step 2: Convert to fraction form
    1,980,587.06/2,970,847.47 = 632,739.86/x
  3. Step 3: Cross multiply
    1,980,587.06x = 2,970,847.47 × 632,739.86
  4. Step 4: Simplify right side
    1,980,587.06x = 1,879,773,612,249.15
  5. Step 5: Solve for x
    x = 1,879,773,612,249.15/1,980,587.06
  6. Step 6: Final answer
    x = 949,099.21

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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.