Finding the Fourth Proportional to 3,248,464.77, 4,482,827.01 and 1,798,128.99
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Solution
The fourth proportional to 3,248,464.77, 4,482,827.01 and 1,798,128.99 is: 2,481,387.91
Step by Step Solution
- Step 1: Write the proportion equation
3,248,464.77 : 4,482,827.01 = 1,798,128.99 : x - Step 2: Convert to fraction form
3,248,464.77/4,482,827.01 = 1,798,128.99/x - Step 3: Cross multiply
3,248,464.77x = 4,482,827.01 × 1,798,128.99 - Step 4: Simplify right side
3,248,464.77x = 8,060,701,203,836.02 - Step 5: Solve for x
x = 8,060,701,203,836.02/3,248,464.77 - Step 6: Final answer
x = 2,481,387.91
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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.