Home / 2,121,479.72-3,181,903.68-701,543.24

Finding the Fourth Proportional to 2,121,479.72, 3,181,903.68 and 701,543.24

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Solution

The fourth proportional to 2,121,479.72, 3,181,903.68 and 701,543.24 is: 1,052,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,479.72 : 3,181,903.68 = 701,543.24 : x
  2. Step 2: Convert to fraction form
    2,121,479.72/3,181,903.68 = 701,543.24/x
  3. Step 3: Cross multiply
    2,121,479.72x = 3,181,903.68 × 701,543.24
  4. Step 4: Simplify right side
    2,121,479.72x = 2,232,243,017,035.12
  5. Step 5: Solve for x
    x = 2,232,243,017,035.12/2,121,479.72
  6. Step 6: Final answer
    x = 1,052,210.40

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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.