Finding the Fourth Proportional to 2,987,203.05, 4,472,510.18 and 2,904,259.05
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Solution
The fourth proportional to 2,987,203.05, 4,472,510.18 and 2,904,259.05 is: 4,348,324.48
Step by Step Solution
- Step 1: Write the proportion equation
2,987,203.05 : 4,472,510.18 = 2,904,259.05 : x - Step 2: Convert to fraction form
2,987,203.05/4,472,510.18 = 2,904,259.05/x - Step 3: Cross multiply
2,987,203.05x = 4,472,510.18 × 2,904,259.05 - Step 4: Simplify right side
2,987,203.05x = 12,989,328,151,960.83 - Step 5: Solve for x
x = 12,989,328,151,960.83/2,987,203.05 - Step 6: Final answer
x = 4,348,324.48
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1.5x scale
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.