Finding the Fourth Proportional to 4,317,089.56, 6,474,505.88 and 1,283,638.48
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Solution
The fourth proportional to 4,317,089.56, 6,474,505.88 and 1,283,638.48 is: 1,925,122.18
Step by Step Solution
- Step 1: Write the proportion equation
4,317,089.56 : 6,474,505.88 = 1,283,638.48 : x - Step 2: Convert to fraction form
4,317,089.56/6,474,505.88 = 1,283,638.48/x - Step 3: Cross multiply
4,317,089.56x = 6,474,505.88 × 1,283,638.48 - Step 4: Simplify right side
4,317,089.56x = 8,310,924,886,554.26 - Step 5: Solve for x
x = 8,310,924,886,554.26/4,317,089.56 - Step 6: Final answer
x = 1,925,122.18
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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.