Finding the Fourth Proportional to 2,407,642.42, 3,322,525.35 and 1,319,894.23
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Solution
The fourth proportional to 2,407,642.42, 3,322,525.35 and 1,319,894.23 is: 1,821,442.42
Step by Step Solution
- Step 1: Write the proportion equation
2,407,642.42 : 3,322,525.35 = 1,319,894.23 : x - Step 2: Convert to fraction form
2,407,642.42/3,322,525.35 = 1,319,894.23/x - Step 3: Cross multiply
2,407,642.42x = 3,322,525.35 × 1,319,894.23 - Step 4: Simplify right side
2,407,642.42x = 4,385,382,038,493.73 - Step 5: Solve for x
x = 4,385,382,038,493.73/2,407,642.42 - Step 6: Final answer
x = 1,821,442.42
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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.