Finding the Fourth Proportional to 2,864,912.86, 3,953,654.55 and 1,575,787.08
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Solution
The fourth proportional to 2,864,912.86, 3,953,654.55 and 1,575,787.08 is: 2,174,627.32
Step by Step Solution
- Step 1: Write the proportion equation
2,864,912.86 : 3,953,654.55 = 1,575,787.08 : x - Step 2: Convert to fraction form
2,864,912.86/3,953,654.55 = 1,575,787.08/x - Step 3: Cross multiply
2,864,912.86x = 3,953,654.55 × 1,575,787.08 - Step 4: Simplify right side
2,864,912.86x = 6,230,117,758,673.21 - Step 5: Solve for x
x = 6,230,117,758,673.21/2,864,912.86 - Step 6: Final answer
x = 2,174,627.32
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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.