Finding the Fourth Proportional to 6,242,990.32, 9,365,235.60 and 2,198,642.56
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Solution
The fourth proportional to 6,242,990.32, 9,365,235.60 and 2,198,642.56 is: 3,298,228.02
Step by Step Solution
- Step 1: Write the proportion equation
6,242,990.32 : 9,365,235.60 = 2,198,642.56 : x - Step 2: Convert to fraction form
6,242,990.32/9,365,235.60 = 2,198,642.56/x - Step 3: Cross multiply
6,242,990.32x = 9,365,235.60 × 2,198,642.56 - Step 4: Simplify right side
6,242,990.32x = 20,590,805,574,587.14 - Step 5: Solve for x
x = 20,590,805,574,587.14/6,242,990.32 - Step 6: Final answer
x = 3,298,228.02
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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.