Finding the Fourth Proportional to 2,171,539.68, 3,256,248.21 and 891,805.09
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Solution
The fourth proportional to 2,171,539.68, 3,256,248.21 and 891,805.09 is: 1,337,271.77
Step by Step Solution
- Step 1: Write the proportion equation
2,171,539.68 : 3,256,248.21 = 891,805.09 : x - Step 2: Convert to fraction form
2,171,539.68/3,256,248.21 = 891,805.09/x - Step 3: Cross multiply
2,171,539.68x = 3,256,248.21 × 891,805.09 - Step 4: Simplify right side
2,171,539.68x = 2,903,938,711,700.15 - Step 5: Solve for x
x = 2,903,938,711,700.15/2,171,539.68 - Step 6: Final answer
x = 1,337,271.77
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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.