Finding the Fourth Proportional to 4,211,110.80, 6,316,666.20 and 4,148,125.20
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Solution
The fourth proportional to 4,211,110.80, 6,316,666.20 and 4,148,125.20 is: 6,222,187.80
Step by Step Solution
- Step 1: Write the proportion equation
4,211,110.80 : 6,316,666.20 = 4,148,125.20 : x - Step 2: Convert to fraction form
4,211,110.80/6,316,666.20 = 4,148,125.20/x - Step 3: Cross multiply
4,211,110.80x = 6,316,666.20 × 4,148,125.20 - Step 4: Simplify right side
4,211,110.80x = 26,202,322,244,208.24 - Step 5: Solve for x
x = 26,202,322,244,208.24/4,211,110.80 - Step 6: Final answer
x = 6,222,187.80
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1.5x scale
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.