Finding the Fourth Proportional to 4,943,419.27, 7,416,187.70 and 1,531,630.32
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Solution
The fourth proportional to 4,943,419.27, 7,416,187.70 and 1,531,630.32 is: 2,297,773.52
Step by Step Solution
- Step 1: Write the proportion equation
4,943,419.27 : 7,416,187.70 = 1,531,630.32 : x - Step 2: Convert to fraction form
4,943,419.27/7,416,187.70 = 1,531,630.32/x - Step 3: Cross multiply
4,943,419.27x = 7,416,187.70 × 1,531,630.32 - Step 4: Simplify right side
4,943,419.27x = 11,358,857,908,969.92 - Step 5: Solve for x
x = 11,358,857,908,969.92/4,943,419.27 - Step 6: Final answer
x = 2,297,773.52
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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.