Finding the Fourth Proportional to 2,961,490.47, 4,442,506.81 and 831,560.24
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Solution
The fourth proportional to 2,961,490.47, 4,442,506.81 and 831,560.24 is: 1,247,416.48
Step by Step Solution
- Step 1: Write the proportion equation
2,961,490.47 : 4,442,506.81 = 831,560.24 : x - Step 2: Convert to fraction form
2,961,490.47/4,442,506.81 = 831,560.24/x - Step 3: Cross multiply
2,961,490.47x = 4,442,506.81 × 831,560.24 - Step 4: Simplify right side
2,961,490.47x = 3,694,212,029,125.23 - Step 5: Solve for x
x = 3,694,212,029,125.23/2,961,490.47 - Step 6: Final answer
x = 1,247,416.48
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1.5x scale
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.