Finding the Fourth Proportional to 4,776,778.68, 6,591,655.96 and 2,630,602.68
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Solution
The fourth proportional to 4,776,778.68, 6,591,655.96 and 2,630,602.68 is: 3,630,067.25
Step by Step Solution
- Step 1: Write the proportion equation
4,776,778.68 : 6,591,655.96 = 2,630,602.68 : x - Step 2: Convert to fraction form
4,776,778.68/6,591,655.96 = 2,630,602.68/x - Step 3: Cross multiply
4,776,778.68x = 6,591,655.96 × 2,630,602.68 - Step 4: Simplify right side
4,776,778.68x = 17,340,027,834,013.97 - Step 5: Solve for x
x = 17,340,027,834,013.97/4,776,778.68 - Step 6: Final answer
x = 3,630,067.25
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.