Finding the Fourth Proportional to 2,018,220.96, 2,785,211.28 and 1,158,934.08
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Solution
The fourth proportional to 2,018,220.96, 2,785,211.28 and 1,158,934.08 is: 1,599,367.13
Step by Step Solution
- Step 1: Write the proportion equation
2,018,220.96 : 2,785,211.28 = 1,158,934.08 : x - Step 2: Convert to fraction form
2,018,220.96/2,785,211.28 = 1,158,934.08/x - Step 3: Cross multiply
2,018,220.96x = 2,785,211.28 × 1,158,934.08 - Step 4: Simplify right side
2,018,220.96x = 3,227,876,272,392.42 - Step 5: Solve for x
x = 3,227,876,272,392.42/2,018,220.96 - Step 6: Final answer
x = 1,599,367.13
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1.5x scale
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.