Finding the Fourth Proportional to 4,138,377.08, 5,707,724.98 and 2,688,539.64
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Solution
The fourth proportional to 4,138,377.08, 5,707,724.98 and 2,688,539.64 is: 3,708,082.80
Step by Step Solution
- Step 1: Write the proportion equation
4,138,377.08 : 5,707,724.98 = 2,688,539.64 : x - Step 2: Convert to fraction form
4,138,377.08/5,707,724.98 = 2,688,539.64/x - Step 3: Cross multiply
4,138,377.08x = 5,707,724.98 × 2,688,539.64 - Step 4: Simplify right side
4,138,377.08x = 15,345,444,862,948.21 - Step 5: Solve for x
x = 15,345,444,862,948.21/4,138,377.08 - Step 6: Final answer
x = 3,708,082.80
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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.