Finding the Fourth Proportional to 2,148,276.48, 2,964,697.68 and 1,181,481.54
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Solution
The fourth proportional to 2,148,276.48, 2,964,697.68 and 1,181,481.54 is: 1,630,486.40
Step by Step Solution
- Step 1: Write the proportion equation
2,148,276.48 : 2,964,697.68 = 1,181,481.54 : x - Step 2: Convert to fraction form
2,148,276.48/2,964,697.68 = 1,181,481.54/x - Step 3: Cross multiply
2,148,276.48x = 2,964,697.68 × 1,181,481.54 - Step 4: Simplify right side
2,148,276.48x = 3,502,735,580,600.83 - Step 5: Solve for x
x = 3,502,735,580,600.83/2,148,276.48 - Step 6: Final answer
x = 1,630,486.40
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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.