Finding the Fourth Proportional to 2,551,219.68, 3,520,666.80 and 1,405,273.44
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Solution
The fourth proportional to 2,551,219.68, 3,520,666.80 and 1,405,273.44 is: 1,939,268.34
Step by Step Solution
- Step 1: Write the proportion equation
2,551,219.68 : 3,520,666.80 = 1,405,273.44 : x - Step 2: Convert to fraction form
2,551,219.68/3,520,666.80 = 1,405,273.44/x - Step 3: Cross multiply
2,551,219.68x = 3,520,666.80 × 1,405,273.44 - Step 4: Simplify right side
2,551,219.68x = 4,947,499,545,129.79 - Step 5: Solve for x
x = 4,947,499,545,129.79/2,551,219.68 - Step 6: Final answer
x = 1,939,268.34
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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.