Finding the Fourth Proportional to 2,239,011.06, 3,089,836.08 and 1,272,142.62
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Solution
The fourth proportional to 2,239,011.06, 3,089,836.08 and 1,272,142.62 is: 1,755,557.28
Step by Step Solution
- Step 1: Write the proportion equation
2,239,011.06 : 3,089,836.08 = 1,272,142.62 : x - Step 2: Convert to fraction form
2,239,011.06/3,089,836.08 = 1,272,142.62/x - Step 3: Cross multiply
2,239,011.06x = 3,089,836.08 × 1,272,142.62 - Step 4: Simplify right side
2,239,011.06x = 3,930,712,166,181.73 - Step 5: Solve for x
x = 3,930,712,166,181.73/2,239,011.06 - Step 6: Final answer
x = 1,755,557.28
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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.