Finding the Fourth Proportional to 2,230,691.74, 3,078,374.08 and 1,212,096.50
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Solution
The fourth proportional to 2,230,691.74, 3,078,374.08 and 1,212,096.50 is: 1,672,703.75
Step by Step Solution
- Step 1: Write the proportion equation
2,230,691.74 : 3,078,374.08 = 1,212,096.50 : x - Step 2: Convert to fraction form
2,230,691.74/3,078,374.08 = 1,212,096.50/x - Step 3: Cross multiply
2,230,691.74x = 3,078,374.08 × 1,212,096.50 - Step 4: Simplify right side
2,230,691.74x = 3,731,286,448,058.72 - Step 5: Solve for x
x = 3,731,286,448,058.72/2,230,691.74 - Step 6: Final answer
x = 1,672,703.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.