Finding the Fourth Proportional to 3,279,252.30, 4,918,878.45 and 1,684,929.30
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Solution
The fourth proportional to 3,279,252.30, 4,918,878.45 and 1,684,929.30 is: 2,527,393.95
Step by Step Solution
- Step 1: Write the proportion equation
3,279,252.30 : 4,918,878.45 = 1,684,929.30 : x - Step 2: Convert to fraction form
3,279,252.30/4,918,878.45 = 1,684,929.30/x - Step 3: Cross multiply
3,279,252.30x = 4,918,878.45 × 1,684,929.30 - Step 4: Simplify right side
3,279,252.30x = 8,287,962,423,543.59 - Step 5: Solve for x
x = 8,287,962,423,543.59/3,279,252.30 - Step 6: Final answer
x = 2,527,393.95
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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.