Finding the Fourth Proportional to 4,242,630.80, 6,356,947.80 and 3,612,774.80
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Solution
The fourth proportional to 4,242,630.80, 6,356,947.80 and 3,612,774.80 is: 5,413,202.77
Step by Step Solution
- Step 1: Write the proportion equation
4,242,630.80 : 6,356,947.80 = 3,612,774.80 : x - Step 2: Convert to fraction form
4,242,630.80/6,356,947.80 = 3,612,774.80/x - Step 3: Cross multiply
4,242,630.80x = 6,356,947.80 × 3,612,774.80 - Step 4: Simplify right side
4,242,630.80x = 22,966,220,816,755.44 - Step 5: Solve for x
x = 22,966,220,816,755.44/4,242,630.80 - Step 6: Final answer
x = 5,413,202.77
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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.