Finding the Fourth Proportional to 2,619,551.42, 3,929,327.34 and 726,292.94
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Solution
The fourth proportional to 2,619,551.42, 3,929,327.34 and 726,292.94 is: 1,089,439.47
Step by Step Solution
- Step 1: Write the proportion equation
2,619,551.42 : 3,929,327.34 = 726,292.94 : x - Step 2: Convert to fraction form
2,619,551.42/3,929,327.34 = 726,292.94/x - Step 3: Cross multiply
2,619,551.42x = 3,929,327.34 × 726,292.94 - Step 4: Simplify right side
2,619,551.42x = 2,853,842,705,990.98 - Step 5: Solve for x
x = 2,853,842,705,990.98/2,619,551.42 - Step 6: Final answer
x = 1,089,439.47
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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.