Finding the Fourth Proportional to 3,860,461.51, 5,786,926.12 and 1,838,162.23
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Solution
The fourth proportional to 3,860,461.51, 5,786,926.12 and 1,838,162.23 is: 2,755,450.09
Step by Step Solution
- Step 1: Write the proportion equation
3,860,461.51 : 5,786,926.12 = 1,838,162.23 : x - Step 2: Convert to fraction form
3,860,461.51/5,786,926.12 = 1,838,162.23/x - Step 3: Cross multiply
3,860,461.51x = 5,786,926.12 × 1,838,162.23 - Step 4: Simplify right side
3,860,461.51x = 10,637,308,988,054.41 - Step 5: Solve for x
x = 10,637,308,988,054.41/3,860,461.51 - Step 6: Final answer
x = 2,755,450.09
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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.