Finding the Fourth Proportional to 2,961,771.35, 4,442,823.18 and 831,689.37
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Solution
The fourth proportional to 2,961,771.35, 4,442,823.18 and 831,689.37 is: 1,247,580.71
Step by Step Solution
- Step 1: Write the proportion equation
2,961,771.35 : 4,442,823.18 = 831,689.37 : x - Step 2: Convert to fraction form
2,961,771.35/4,442,823.18 = 831,689.37/x - Step 3: Cross multiply
2,961,771.35x = 4,442,823.18 × 831,689.37 - Step 4: Simplify right side
2,961,771.35x = 3,695,048,811,595.60 - Step 5: Solve for x
x = 3,695,048,811,595.60/2,961,771.35 - Step 6: Final answer
x = 1,247,580.71
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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.