Finding the Fourth Proportional to 2,551,913.09, 3,521,703.48 and 1,571,480.99
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Solution
The fourth proportional to 2,551,913.09, 3,521,703.48 and 1,571,480.99 is: 2,168,682.82
Step by Step Solution
- Step 1: Write the proportion equation
2,551,913.09 : 3,521,703.48 = 1,571,480.99 : x - Step 2: Convert to fraction form
2,551,913.09/3,521,703.48 = 1,571,480.99/x - Step 3: Cross multiply
2,551,913.09x = 3,521,703.48 × 1,571,480.99 - Step 4: Simplify right side
2,551,913.09x = 5,534,290,071,236.85 - Step 5: Solve for x
x = 5,534,290,071,236.85/2,551,913.09 - Step 6: Final answer
x = 2,168,682.82
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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.