Finding the Fourth Proportional to 2,090,497.60, 3,137,714.70 and 1,293,336.10
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Solution
The fourth proportional to 2,090,497.60, 3,137,714.70 and 1,293,336.10 is: 1,941,221.89
Step by Step Solution
- Step 1: Write the proportion equation
2,090,497.60 : 3,137,714.70 = 1,293,336.10 : x - Step 2: Convert to fraction form
2,090,497.60/3,137,714.70 = 1,293,336.10/x - Step 3: Cross multiply
2,090,497.60x = 3,137,714.70 × 1,293,336.10 - Step 4: Simplify right side
2,090,497.60x = 4,058,119,693,010.67 - Step 5: Solve for x
x = 4,058,119,693,010.67/2,090,497.60 - Step 6: Final answer
x = 1,941,221.89
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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.