Finding the Fourth Proportional to 1,681,448.31, 2,320,454.70 and 917,543.79
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Solution
The fourth proportional to 1,681,448.31, 2,320,454.70 and 917,543.79 is: 1,266,241.01
Step by Step Solution
- Step 1: Write the proportion equation
1,681,448.31 : 2,320,454.70 = 917,543.79 : x - Step 2: Convert to fraction form
1,681,448.31/2,320,454.70 = 917,543.79/x - Step 3: Cross multiply
1,681,448.31x = 2,320,454.70 × 917,543.79 - Step 4: Simplify right side
1,681,448.31x = 2,129,118,799,961.31 - Step 5: Solve for x
x = 2,129,118,799,961.31/1,681,448.31 - Step 6: Final answer
x = 1,266,241.01
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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.