Finding the Fourth Proportional to 2,063,557.18, 2,847,714.40 and 1,145,788.03
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Solution
The fourth proportional to 2,063,557.18, 2,847,714.40 and 1,145,788.03 is: 1,581,190.53
Step by Step Solution
- Step 1: Write the proportion equation
2,063,557.18 : 2,847,714.40 = 1,145,788.03 : x - Step 2: Convert to fraction form
2,063,557.18/2,847,714.40 = 1,145,788.03/x - Step 3: Cross multiply
2,063,557.18x = 2,847,714.40 × 1,145,788.03 - Step 4: Simplify right side
2,063,557.18x = 3,262,877,072,378.63 - Step 5: Solve for x
x = 3,262,877,072,378.63/2,063,557.18 - Step 6: Final answer
x = 1,581,190.53
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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.