Finding the Fourth Proportional to 2,384,990.24, 3,290,987.60 and 1,612,302.08
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Solution
The fourth proportional to 2,384,990.24, 3,290,987.60 and 1,612,302.08 is: 2,224,774.79
Step by Step Solution
- Step 1: Write the proportion equation
2,384,990.24 : 3,290,987.60 = 1,612,302.08 : x - Step 2: Convert to fraction form
2,384,990.24/3,290,987.60 = 1,612,302.08/x - Step 3: Cross multiply
2,384,990.24x = 3,290,987.60 × 1,612,302.08 - Step 4: Simplify right side
2,384,990.24x = 5,306,066,152,734.21 - Step 5: Solve for x
x = 5,306,066,152,734.21/2,384,990.24 - Step 6: Final answer
x = 2,224,774.79
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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.