Finding the Fourth Proportional to 2,968,781.94, 4,096,901.97 and 1,610,625.78
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Solution
The fourth proportional to 2,968,781.94, 4,096,901.97 and 1,610,625.78 is: 2,222,654.30
Step by Step Solution
- Step 1: Write the proportion equation
2,968,781.94 : 4,096,901.97 = 1,610,625.78 : x - Step 2: Convert to fraction form
2,968,781.94/4,096,901.97 = 1,610,625.78/x - Step 3: Cross multiply
2,968,781.94x = 4,096,901.97 × 1,610,625.78 - Step 4: Simplify right side
2,968,781.94x = 6,598,575,931,014.79 - Step 5: Solve for x
x = 6,598,575,931,014.79/2,968,781.94 - Step 6: Final answer
x = 2,222,654.30
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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.