Finding the Fourth Proportional to 6,403,893.01, 8,837,442.11 and 3,503,221.60
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Solution
The fourth proportional to 6,403,893.01, 8,837,442.11 and 3,503,221.60 is: 4,834,483.97
Step by Step Solution
- Step 1: Write the proportion equation
6,403,893.01 : 8,837,442.11 = 3,503,221.60 : x - Step 2: Convert to fraction form
6,403,893.01/8,837,442.11 = 3,503,221.60/x - Step 3: Cross multiply
6,403,893.01x = 8,837,442.11 × 3,503,221.60 - Step 4: Simplify right side
6,403,893.01x = 30,959,518,098,145.20 - Step 5: Solve for x
x = 30,959,518,098,145.20/6,403,893.01 - Step 6: Final answer
x = 4,834,483.97
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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.