Finding the Fourth Proportional to 4,548,795.64, 6,820,911.48 and 1,515,095.08
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Solution
The fourth proportional to 4,548,795.64, 6,820,911.48 and 1,515,095.08 is: 2,271,882.55
Step by Step Solution
- Step 1: Write the proportion equation
4,548,795.64 : 6,820,911.48 = 1,515,095.08 : x - Step 2: Convert to fraction form
4,548,795.64/6,820,911.48 = 1,515,095.08/x - Step 3: Cross multiply
4,548,795.64x = 6,820,911.48 × 1,515,095.08 - Step 4: Simplify right side
4,548,795.64x = 10,334,329,424,463.52 - Step 5: Solve for x
x = 10,334,329,424,463.52/4,548,795.64 - Step 6: Final answer
x = 2,271,882.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.