Finding the Fourth Proportional to 4,251,918.96, 5,867,646.48 and 2,318,181.12
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Solution
The fourth proportional to 4,251,918.96, 5,867,646.48 and 2,318,181.12 is: 3,199,089.03
Step by Step Solution
- Step 1: Write the proportion equation
4,251,918.96 : 5,867,646.48 = 2,318,181.12 : x - Step 2: Convert to fraction form
4,251,918.96/5,867,646.48 = 2,318,181.12/x - Step 3: Cross multiply
4,251,918.96x = 5,867,646.48 × 2,318,181.12 - Step 4: Simplify right side
4,251,918.96x = 13,602,267,288,770.46 - Step 5: Solve for x
x = 13,602,267,288,770.46/4,251,918.96 - Step 6: Final answer
x = 3,199,089.03
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1.5x scale
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.