Finding the Fourth Proportional to 7,190,235.65, 9,922,740.08 and 3,927,204.32
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Solution
The fourth proportional to 7,190,235.65, 9,922,740.08 and 3,927,204.32 is: 5,419,659.32
Step by Step Solution
- Step 1: Write the proportion equation
7,190,235.65 : 9,922,740.08 = 3,927,204.32 : x - Step 2: Convert to fraction form
7,190,235.65/9,922,740.08 = 3,927,204.32/x - Step 3: Cross multiply
7,190,235.65x = 9,922,740.08 × 3,927,204.32 - Step 4: Simplify right side
7,190,235.65x = 38,968,627,658,799.45 - Step 5: Solve for x
x = 38,968,627,658,799.45/7,190,235.65 - Step 6: Final answer
x = 5,419,659.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.