Finding the Fourth Proportional to 1,666,201.40, 2,299,380.23 and 931,123.36
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Solution
The fourth proportional to 1,666,201.40, 2,299,380.23 and 931,123.36 is: 1,284,962.70
Step by Step Solution
- Step 1: Write the proportion equation
1,666,201.40 : 2,299,380.23 = 931,123.36 : x - Step 2: Convert to fraction form
1,666,201.40/2,299,380.23 = 931,123.36/x - Step 3: Cross multiply
1,666,201.40x = 2,299,380.23 × 931,123.36 - Step 4: Simplify right side
1,666,201.40x = 2,141,006,642,254.53 - Step 5: Solve for x
x = 2,141,006,642,254.53/1,666,201.40 - Step 6: Final answer
x = 1,284,962.70
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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.