Finding the Fourth Proportional to 1,982,921.08, 2,973,463.08 and 1,602,907.96
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Solution
The fourth proportional to 1,982,921.08, 2,973,463.08 and 1,602,907.96 is: 2,403,619.43
Step by Step Solution
- Step 1: Write the proportion equation
1,982,921.08 : 2,973,463.08 = 1,602,907.96 : x - Step 2: Convert to fraction form
1,982,921.08/2,973,463.08 = 1,602,907.96/x - Step 3: Cross multiply
1,982,921.08x = 2,973,463.08 × 1,602,907.96 - Step 4: Simplify right side
1,982,921.08x = 4,766,187,639,698.12 - Step 5: Solve for x
x = 4,766,187,639,698.12/1,982,921.08 - Step 6: Final answer
x = 2,403,619.43
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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.