Finding the Fourth Proportional to 4,750,118.40, 7,125,192.18 and 1,155,885.96
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Solution
The fourth proportional to 4,750,118.40, 7,125,192.18 and 1,155,885.96 is: 1,733,832.49
Step by Step Solution
- Step 1: Write the proportion equation
4,750,118.40 : 7,125,192.18 = 1,155,885.96 : x - Step 2: Convert to fraction form
4,750,118.40/7,125,192.18 = 1,155,885.96/x - Step 3: Cross multiply
4,750,118.40x = 7,125,192.18 × 1,155,885.96 - Step 4: Simplify right side
4,750,118.40x = 8,235,909,603,163.79 - Step 5: Solve for x
x = 8,235,909,603,163.79/4,750,118.40 - Step 6: Final answer
x = 1,733,832.49
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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.