Finding the Fourth Proportional to 3,711,511.32, 5,121,643.08 and 2,183,323.20
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Solution
The fourth proportional to 3,711,511.32, 5,121,643.08 and 2,183,323.20 is: 3,012,843.34
Step by Step Solution
- Step 1: Write the proportion equation
3,711,511.32 : 5,121,643.08 = 2,183,323.20 : x - Step 2: Convert to fraction form
3,711,511.32/5,121,643.08 = 2,183,323.20/x - Step 3: Cross multiply
3,711,511.32x = 5,121,643.08 × 2,183,323.20 - Step 4: Simplify right side
3,711,511.32x = 11,182,202,158,683.46 - Step 5: Solve for x
x = 11,182,202,158,683.46/3,711,511.32 - Step 6: Final answer
x = 3,012,843.34
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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.