Finding the Fourth Proportional to 2,219,478.30, 3,062,551.64 and 1,347,859.70
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Solution
The fourth proportional to 2,219,478.30, 3,062,551.64 and 1,347,859.70 is: 1,859,846.94
Step by Step Solution
- Step 1: Write the proportion equation
2,219,478.30 : 3,062,551.64 = 1,347,859.70 : x - Step 2: Convert to fraction form
2,219,478.30/3,062,551.64 = 1,347,859.70/x - Step 3: Cross multiply
2,219,478.30x = 3,062,551.64 × 1,347,859.70 - Step 4: Simplify right side
2,219,478.30x = 4,127,889,934,724.91 - Step 5: Solve for x
x = 4,127,889,934,724.91/2,219,478.30 - Step 6: Final answer
x = 1,859,846.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.