Finding the Fourth Proportional to 3,887,764.04, 5,365,116.68 and 2,168,884.55
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Solution
The fourth proportional to 3,887,764.04, 5,365,116.68 and 2,168,884.55 is: 2,993,061.96
Step by Step Solution
- Step 1: Write the proportion equation
3,887,764.04 : 5,365,116.68 = 2,168,884.55 : x - Step 2: Convert to fraction form
3,887,764.04/5,365,116.68 = 2,168,884.55/x - Step 3: Cross multiply
3,887,764.04x = 5,365,116.68 × 2,168,884.55 - Step 4: Simplify right side
3,887,764.04x = 11,636,318,638,529.29 - Step 5: Solve for x
x = 11,636,318,638,529.29/3,887,764.04 - Step 6: Final answer
x = 2,993,061.96
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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.