Finding the Fourth Proportional to 2,664,431.90, 3,992,055.15 and 1,241,569.70
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Solution
The fourth proportional to 2,664,431.90, 3,992,055.15 and 1,241,569.70 is: 1,860,214.45
Step by Step Solution
- Step 1: Write the proportion equation
2,664,431.90 : 3,992,055.15 = 1,241,569.70 : x - Step 2: Convert to fraction form
2,664,431.90/3,992,055.15 = 1,241,569.70/x - Step 3: Cross multiply
2,664,431.90x = 3,992,055.15 × 1,241,569.70 - Step 4: Simplify right side
2,664,431.90x = 4,956,414,714,968.96 - Step 5: Solve for x
x = 4,956,414,714,968.96/2,664,431.90 - Step 6: Final answer
x = 1,860,214.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.