Finding the Fourth Proportional to 3,478,842.66, 5,219,506.99 and 2,115,390.36
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Solution
The fourth proportional to 3,478,842.66, 5,219,506.99 and 2,115,390.36 is: 3,173,841.37
Step by Step Solution
- Step 1: Write the proportion equation
3,478,842.66 : 5,219,506.99 = 2,115,390.36 : x - Step 2: Convert to fraction form
3,478,842.66/5,219,506.99 = 2,115,390.36/x - Step 3: Cross multiply
3,478,842.66x = 5,219,506.99 × 2,115,390.36 - Step 4: Simplify right side
3,478,842.66x = 11,041,294,770,598.62 - Step 5: Solve for x
x = 11,041,294,770,598.62/3,478,842.66 - Step 6: Final answer
x = 3,173,841.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.