Finding the Fourth Proportional to 5,488,909.92, 8,233,840.55 and 1,445,365.62
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Solution
The fourth proportional to 5,488,909.92, 8,233,840.55 and 1,445,365.62 is: 2,168,173.69
Step by Step Solution
- Step 1: Write the proportion equation
5,488,909.92 : 8,233,840.55 = 1,445,365.62 : x - Step 2: Convert to fraction form
5,488,909.92/8,233,840.55 = 1,445,365.62/x - Step 3: Cross multiply
5,488,909.92x = 8,233,840.55 × 1,445,365.62 - Step 4: Simplify right side
5,488,909.92x = 11,900,910,055,145.31 - Step 5: Solve for x
x = 11,900,910,055,145.31/5,488,909.92 - Step 6: Final answer
x = 2,168,173.69
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1.5x scale
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.