Finding the Fourth Proportional to 3,086,230.08, 4,258,849.32 and 1,709,480.82
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Solution
The fourth proportional to 3,086,230.08, 4,258,849.32 and 1,709,480.82 is: 2,359,001.45
Step by Step Solution
- Step 1: Write the proportion equation
3,086,230.08 : 4,258,849.32 = 1,709,480.82 : x - Step 2: Convert to fraction form
3,086,230.08/4,258,849.32 = 1,709,480.82/x - Step 3: Cross multiply
3,086,230.08x = 4,258,849.32 × 1,709,480.82 - Step 4: Simplify right side
3,086,230.08x = 7,280,421,227,810.04 - Step 5: Solve for x
x = 7,280,421,227,810.04/3,086,230.08 - Step 6: Final answer
x = 2,359,001.45
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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.