Finding the Fourth Proportional to 7,190,875.12, 10,786,353 and 2,398,551.23
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Solution
The fourth proportional to 7,190,875.12, 10,786,353 and 2,398,551.23 is: 3,597,840.29
Step by Step Solution
- Step 1: Write the proportion equation
7,190,875.12 : 10,786,353 = 2,398,551.23 : x - Step 2: Convert to fraction form
7,190,875.12/10,786,353 = 2,398,551.23/x - Step 3: Cross multiply
7,190,875.12x = 10,786,353 × 2,398,551.23 - Step 4: Simplify right side
7,190,875.12x = 25,871,620,255,364.19 - Step 5: Solve for x
x = 25,871,620,255,364.19/7,190,875.12 - Step 6: Final answer
x = 3,597,840.29
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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.