Finding the Fourth Proportional to 4,048,608.18, 5,587,079.55 and 2,213,073.74
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Solution
The fourth proportional to 4,048,608.18, 5,587,079.55 and 2,213,073.74 is: 3,054,041.90
Step by Step Solution
- Step 1: Write the proportion equation
4,048,608.18 : 5,587,079.55 = 2,213,073.74 : x - Step 2: Convert to fraction form
4,048,608.18/5,587,079.55 = 2,213,073.74/x - Step 3: Cross multiply
4,048,608.18x = 5,587,079.55 × 2,213,073.74 - Step 4: Simplify right side
4,048,608.18x = 12,364,619,007,460.62 - Step 5: Solve for x
x = 12,364,619,007,460.62/4,048,608.18 - Step 6: Final answer
x = 3,054,041.90
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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.