Finding the Fourth Proportional to 4,253,482.80, 6,384,371.40 and 2,125,969.20
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Solution
The fourth proportional to 4,253,482.80, 6,384,371.40 and 2,125,969.20 is: 3,191,026.65
Step by Step Solution
- Step 1: Write the proportion equation
4,253,482.80 : 6,384,371.40 = 2,125,969.20 : x - Step 2: Convert to fraction form
4,253,482.80/6,384,371.40 = 2,125,969.20/x - Step 3: Cross multiply
4,253,482.80x = 6,384,371.40 × 2,125,969.20 - Step 4: Simplify right side
4,253,482.80x = 13,572,976,957,760.88 - Step 5: Solve for x
x = 13,572,976,957,760.88/4,253,482.80 - Step 6: Final answer
x = 3,191,026.65
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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.