Finding the Fourth Proportional to 5,395,442.55, 7,445,489.15 and 2,948,137.61
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Solution
The fourth proportional to 5,395,442.55, 7,445,489.15 and 2,948,137.61 is: 4,068,308.83
Step by Step Solution
- Step 1: Write the proportion equation
5,395,442.55 : 7,445,489.15 = 2,948,137.61 : x - Step 2: Convert to fraction form
5,395,442.55/7,445,489.15 = 2,948,137.61/x - Step 3: Cross multiply
5,395,442.55x = 7,445,489.15 × 2,948,137.61 - Step 4: Simplify right side
5,395,442.55x = 21,950,326,558,104.83 - Step 5: Solve for x
x = 21,950,326,558,104.83/5,395,442.55 - Step 6: Final answer
x = 4,068,308.83
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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.