Finding the Fourth Proportional to 2,961,765.08, 4,442,813.81 and 831,683.12
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Solution
The fourth proportional to 2,961,765.08, 4,442,813.81 and 831,683.12 is: 1,247,571.35
Step by Step Solution
- Step 1: Write the proportion equation
2,961,765.08 : 4,442,813.81 = 831,683.12 : x - Step 2: Convert to fraction form
2,961,765.08/4,442,813.81 = 831,683.12/x - Step 3: Cross multiply
2,961,765.08x = 4,442,813.81 × 831,683.12 - Step 4: Simplify right side
2,961,765.08x = 3,695,013,246,921.47 - Step 5: Solve for x
x = 3,695,013,246,921.47/2,961,765.08 - Step 6: Final answer
x = 1,247,571.35
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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.