Finding the Fourth Proportional to 3,711,296.64, 5,121,502.32 and 2,183,502.08
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Solution
The fourth proportional to 3,711,296.64, 5,121,502.32 and 2,183,502.08 is: 3,013,181.66
Step by Step Solution
- Step 1: Write the proportion equation
3,711,296.64 : 5,121,502.32 = 2,183,502.08 : x - Step 2: Convert to fraction form
3,711,296.64/5,121,502.32 = 2,183,502.08/x - Step 3: Cross multiply
3,711,296.64x = 5,121,502.32 × 2,183,502.08 - Step 4: Simplify right side
3,711,296.64x = 11,182,810,968,444.83 - Step 5: Solve for x
x = 11,182,810,968,444.83/3,711,296.64 - Step 6: Final answer
x = 3,013,181.66
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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.