Finding the Fourth Proportional to 3,868,897.96, 5,333,452.12 and 2,703,726.70
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Solution
The fourth proportional to 3,868,897.96, 5,333,452.12 and 2,703,726.70 is: 3,727,210.45
Step by Step Solution
- Step 1: Write the proportion equation
3,868,897.96 : 5,333,452.12 = 2,703,726.70 : x - Step 2: Convert to fraction form
3,868,897.96/5,333,452.12 = 2,703,726.70/x - Step 3: Cross multiply
3,868,897.96x = 5,333,452.12 × 2,703,726.70 - Step 4: Simplify right side
3,868,897.96x = 14,420,196,900,015.61 - Step 5: Solve for x
x = 14,420,196,900,015.61/3,868,897.96 - Step 6: Final answer
x = 3,727,210.45
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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.