Finding the Fourth Proportional to 6,232,690.80, 9,346,703.40 and 2,187,615.60
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Solution
The fourth proportional to 6,232,690.80, 9,346,703.40 and 2,187,615.60 is: 3,280,604.61
Step by Step Solution
- Step 1: Write the proportion equation
6,232,690.80 : 9,346,703.40 = 2,187,615.60 : x - Step 2: Convert to fraction form
6,232,690.80/9,346,703.40 = 2,187,615.60/x - Step 3: Cross multiply
6,232,690.80x = 9,346,703.40 × 2,187,615.60 - Step 4: Simplify right side
6,232,690.80x = 20,446,994,166,413.04 - Step 5: Solve for x
x = 20,446,994,166,413.04/6,232,690.80 - Step 6: Final answer
x = 3,280,604.61
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1.5x scale
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.