Finding the Fourth Proportional to 2,416,464.80, 3,334,636.08 and 1,328,728.80
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Solution
The fourth proportional to 2,416,464.80, 3,334,636.08 and 1,328,728.80 is: 1,833,598.82
Step by Step Solution
- Step 1: Write the proportion equation
2,416,464.80 : 3,334,636.08 = 1,328,728.80 : x - Step 2: Convert to fraction form
2,416,464.80/3,334,636.08 = 1,328,728.80/x - Step 3: Cross multiply
2,416,464.80x = 3,334,636.08 × 1,328,728.80 - Step 4: Simplify right side
2,416,464.80x = 4,430,826,997,015.10 - Step 5: Solve for x
x = 4,430,826,997,015.10/2,416,464.80 - Step 6: Final answer
x = 1,833,598.82
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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.