Home / 2,681,543.80-4,022,412.90-788,476.60

Finding the Fourth Proportional to 2,681,543.80, 4,022,412.90 and 788,476.60

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Solution

The fourth proportional to 2,681,543.80, 4,022,412.90 and 788,476.60 is: 1,182,743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,543.80 : 4,022,412.90 = 788,476.60 : x
  2. Step 2: Convert to fraction form
    2,681,543.80/4,022,412.90 = 788,476.60/x
  3. Step 3: Cross multiply
    2,681,543.80x = 4,022,412.90 × 788,476.60
  4. Step 4: Simplify right side
    2,681,543.80x = 3,171,578,447,188.14
  5. Step 5: Solve for x
    x = 3,171,578,447,188.14/2,681,543.80
  6. Step 6: Final answer
    x = 1,182,743.48

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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.