Finding the Fourth Proportional to 2,693,415.36, 3,716,911.20 and 1,726,545.12
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Solution
The fourth proportional to 2,693,415.36, 3,716,911.20 and 1,726,545.12 is: 2,382,630.99
Step by Step Solution
- Step 1: Write the proportion equation
2,693,415.36 : 3,716,911.20 = 1,726,545.12 : x - Step 2: Convert to fraction form
2,693,415.36/3,716,911.20 = 1,726,545.12/x - Step 3: Cross multiply
2,693,415.36x = 3,716,911.20 × 1,726,545.12 - Step 4: Simplify right side
2,693,415.36x = 6,417,414,893,833.35 - Step 5: Solve for x
x = 6,417,414,893,833.35/2,693,415.36 - Step 6: Final answer
x = 2,382,630.99
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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.