Finding the Fourth Proportional to 4,643,634.80, 6,959,547.30 and 4,135,813.40
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Solution
The fourth proportional to 4,643,634.80, 6,959,547.30 and 4,135,813.40 is: 6,198,460.95
Step by Step Solution
- Step 1: Write the proportion equation
4,643,634.80 : 6,959,547.30 = 4,135,813.40 : x - Step 2: Convert to fraction form
4,643,634.80/6,959,547.30 = 4,135,813.40/x - Step 3: Cross multiply
4,643,634.80x = 6,959,547.30 × 4,135,813.40 - Step 4: Simplify right side
4,643,634.80x = 28,783,388,981,273.82 - Step 5: Solve for x
x = 28,783,388,981,273.82/4,643,634.80 - Step 6: Final answer
x = 6,198,460.95
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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.