Finding the Fourth Proportional to 6,354,778.30, 8,769,656.36 and 3,454,167.36
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Solution
The fourth proportional to 6,354,778.30, 8,769,656.36 and 3,454,167.36 is: 4,766,784.82
Step by Step Solution
- Step 1: Write the proportion equation
6,354,778.30 : 8,769,656.36 = 3,454,167.36 : x - Step 2: Convert to fraction form
6,354,778.30/8,769,656.36 = 3,454,167.36/x - Step 3: Cross multiply
6,354,778.30x = 8,769,656.36 × 3,454,167.36 - Step 4: Simplify right side
6,354,778.30x = 30,291,860,757,128.41 - Step 5: Solve for x
x = 30,291,860,757,128.41/6,354,778.30 - Step 6: Final answer
x = 4,766,784.82
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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.