Finding the Fourth Proportional to 1,528,241.80, 2,292,362.70 and 1,376,026.60
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Solution
The fourth proportional to 1,528,241.80, 2,292,362.70 and 1,376,026.60 is: 2,064,039.90
Step by Step Solution
- Step 1: Write the proportion equation
1,528,241.80 : 2,292,362.70 = 1,376,026.60 : x - Step 2: Convert to fraction form
1,528,241.80/2,292,362.70 = 1,376,026.60/x - Step 3: Cross multiply
1,528,241.80x = 2,292,362.70 × 1,376,026.60 - Step 4: Simplify right side
1,528,241.80x = 3,154,352,052,047.82 - Step 5: Solve for x
x = 3,154,352,052,047.82/1,528,241.80 - Step 6: Final answer
x = 2,064,039.90
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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.