Finding the Fourth Proportional to 1,977,526.18, 2,966,571.42 and 611,417.44
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Solution
The fourth proportional to 1,977,526.18, 2,966,571.42 and 611,417.44 is: 917,213.40
Step by Step Solution
- Step 1: Write the proportion equation
1,977,526.18 : 2,966,571.42 = 611,417.44 : x - Step 2: Convert to fraction form
1,977,526.18/2,966,571.42 = 611,417.44/x - Step 3: Cross multiply
1,977,526.18x = 2,966,571.42 × 611,417.44 - Step 4: Simplify right side
1,977,526.18x = 1,813,813,503,193.56 - Step 5: Solve for x
x = 1,813,813,503,193.56/1,977,526.18 - Step 6: Final answer
x = 917,213.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.