Finding the Fourth Proportional to 1,363,161.17, 1,881,173.86 and 751,315.48
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Solution
The fourth proportional to 1,363,161.17, 1,881,173.86 and 751,315.48 is: 1,036,821.66
Step by Step Solution
- Step 1: Write the proportion equation
1,363,161.17 : 1,881,173.86 = 751,315.48 : x - Step 2: Convert to fraction form
1,363,161.17/1,881,173.86 = 751,315.48/x - Step 3: Cross multiply
1,363,161.17x = 1,881,173.86 × 751,315.48 - Step 4: Simplify right side
1,363,161.17x = 1,413,355,035,008.13 - Step 5: Solve for x
x = 1,413,355,035,008.13/1,363,161.17 - Step 6: Final answer
x = 1,036,821.66
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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.