Finding the Fourth Proportional to 4,911,758, 6,778,684.50 and 2,874,569.12
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Solution
The fourth proportional to 4,911,758, 6,778,684.50 and 2,874,569.12 is: 3,967,173.70
Step by Step Solution
- Step 1: Write the proportion equation
4,911,758 : 6,778,684.50 = 2,874,569.12 : x - Step 2: Convert to fraction form
4,911,758/6,778,684.50 = 2,874,569.12/x - Step 3: Cross multiply
4,911,758x = 6,778,684.50 × 2,874,569.12 - Step 4: Simplify right side
4,911,758x = 19,485,797,137,922.64 - Step 5: Solve for x
x = 19,485,797,137,922.64/4,911,758 - Step 6: Final answer
x = 3,967,173.70
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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.