Finding the Fourth Proportional to 4,784,669.92, 6,602,697.36 and 2,719,911.08
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Solution
The fourth proportional to 4,784,669.92, 6,602,697.36 and 2,719,911.08 is: 3,753,393.65
Step by Step Solution
- Step 1: Write the proportion equation
4,784,669.92 : 6,602,697.36 = 2,719,911.08 : x - Step 2: Convert to fraction form
4,784,669.92/6,602,697.36 = 2,719,911.08/x - Step 3: Cross multiply
4,784,669.92x = 6,602,697.36 × 2,719,911.08 - Step 4: Simplify right side
4,784,669.92x = 17,958,749,707,350.75 - Step 5: Solve for x
x = 17,958,749,707,350.75/4,784,669.92 - Step 6: Final answer
x = 3,753,393.65
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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.