Finding the Fourth Proportional to 4,685,242.88, 6,466,328.64 and 2,966,522.88
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Solution
The fourth proportional to 4,685,242.88, 6,466,328.64 and 2,966,522.88 is: 4,094,240.65
Step by Step Solution
- Step 1: Write the proportion equation
4,685,242.88 : 6,466,328.64 = 2,966,522.88 : x - Step 2: Convert to fraction form
4,685,242.88/6,466,328.64 = 2,966,522.88/x - Step 3: Cross multiply
4,685,242.88x = 6,466,328.64 × 2,966,522.88 - Step 4: Simplify right side
4,685,242.88x = 19,182,511,860,159.28 - Step 5: Solve for x
x = 19,182,511,860,159.28/4,685,242.88 - Step 6: Final answer
x = 4,094,240.65
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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.