Home / 2,439,523.72-3,659,008.60-642,547.80

Finding the Fourth Proportional to 2,439,523.72, 3,659,008.60 and 642,547.80

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Solution

The fourth proportional to 2,439,523.72, 3,659,008.60 and 642,547.80 is: 963,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,523.72 : 3,659,008.60 = 642,547.80 : x
  2. Step 2: Convert to fraction form
    2,439,523.72/3,659,008.60 = 642,547.80/x
  3. Step 3: Cross multiply
    2,439,523.72x = 3,659,008.60 × 642,547.80
  4. Step 4: Simplify right side
    2,439,523.72x = 2,351,087,926,111.08
  5. Step 5: Solve for x
    x = 2,351,087,926,111.08/2,439,523.72
  6. Step 6: Final answer
    x = 963,748.75

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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.