Finding the Fourth Proportional to 2,493,248.40, 3,440,985.84 and 1,405,729.44
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Solution
The fourth proportional to 2,493,248.40, 3,440,985.84 and 1,405,729.44 is: 1,940,077.49
Step by Step Solution
- Step 1: Write the proportion equation
2,493,248.40 : 3,440,985.84 = 1,405,729.44 : x - Step 2: Convert to fraction form
2,493,248.40/3,440,985.84 = 1,405,729.44/x - Step 3: Cross multiply
2,493,248.40x = 3,440,985.84 × 1,405,729.44 - Step 4: Simplify right side
2,493,248.40x = 4,837,095,097,911.13 - Step 5: Solve for x
x = 4,837,095,097,911.13/2,493,248.40 - Step 6: Final answer
x = 1,940,077.49
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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.