Finding the Fourth Proportional to 7,098,837.18, 9,798,402.11 and 4,199,236.04
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Solution
The fourth proportional to 7,098,837.18, 9,798,402.11 and 4,199,236.04 is: 5,796,132.84
Step by Step Solution
- Step 1: Write the proportion equation
7,098,837.18 : 9,798,402.11 = 4,199,236.04 : x - Step 2: Convert to fraction form
7,098,837.18/9,798,402.11 = 4,199,236.04/x - Step 3: Cross multiply
7,098,837.18x = 9,798,402.11 × 4,199,236.04 - Step 4: Simplify right side
7,098,837.18x = 41,145,803,274,724.04 - Step 5: Solve for x
x = 41,145,803,274,724.04/7,098,837.18 - Step 6: Final answer
x = 5,796,132.84
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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.