Finding the Fourth Proportional to 4,158,875.20, 6,227,815.20 and 2,731,201.60
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Solution
The fourth proportional to 4,158,875.20, 6,227,815.20 and 2,731,201.60 is: 4,089,908.45
Step by Step Solution
- Step 1: Write the proportion equation
4,158,875.20 : 6,227,815.20 = 2,731,201.60 : x - Step 2: Convert to fraction form
4,158,875.20/6,227,815.20 = 2,731,201.60/x - Step 3: Cross multiply
4,158,875.20x = 6,227,815.20 × 2,731,201.60 - Step 4: Simplify right side
4,158,875.20x = 17,009,418,838,744.32 - Step 5: Solve for x
x = 17,009,418,838,744.32/4,158,875.20 - Step 6: Final answer
x = 4,089,908.45
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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.