Finding the Fourth Proportional to 2,219,211.90, 3,062,674.26 and 1,252,426.68
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Solution
The fourth proportional to 2,219,211.90, 3,062,674.26 and 1,252,426.68 is: 1,728,440.15
Step by Step Solution
- Step 1: Write the proportion equation
2,219,211.90 : 3,062,674.26 = 1,252,426.68 : x - Step 2: Convert to fraction form
2,219,211.90/3,062,674.26 = 1,252,426.68/x - Step 3: Cross multiply
2,219,211.90x = 3,062,674.26 × 1,252,426.68 - Step 4: Simplify right side
2,219,211.90x = 3,835,774,955,373.26 - Step 5: Solve for x
x = 3,835,774,955,373.26/2,219,211.90 - Step 6: Final answer
x = 1,728,440.15
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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.