Finding the Fourth Proportional to 6,985,632.70, 10,477,712.08 and 1,868,578.99
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Solution
The fourth proportional to 6,985,632.70, 10,477,712.08 and 1,868,578.99 is: 2,802,671.35
Step by Step Solution
- Step 1: Write the proportion equation
6,985,632.70 : 10,477,712.08 = 1,868,578.99 : x - Step 2: Convert to fraction form
6,985,632.70/10,477,712.08 = 1,868,578.99/x - Step 3: Cross multiply
6,985,632.70x = 10,477,712.08 × 1,868,578.99 - Step 4: Simplify right side
6,985,632.70x = 19,578,432,649,459.62 - Step 5: Solve for x
x = 19,578,432,649,459.62/6,985,632.70 - Step 6: Final answer
x = 2,802,671.35
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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.