Finding the Fourth Proportional to 2,961,474.55, 4,442,482.91 and 831,544.31
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Solution
The fourth proportional to 2,961,474.55, 4,442,482.91 and 831,544.31 is: 1,247,392.59
Step by Step Solution
- Step 1: Write the proportion equation
2,961,474.55 : 4,442,482.91 = 831,544.31 : x - Step 2: Convert to fraction form
2,961,474.55/4,442,482.91 = 831,544.31/x - Step 3: Cross multiply
2,961,474.55x = 4,442,482.91 × 831,544.31 - Step 4: Simplify right side
2,961,474.55x = 3,694,121,399,267.81 - Step 5: Solve for x
x = 3,694,121,399,267.81/2,961,474.55 - Step 6: Final answer
x = 1,247,392.59
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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.