Finding the Fourth Proportional to 2,007,089.68, 2,769,737.52 and 1,089,320.44
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Solution
The fourth proportional to 2,007,089.68, 2,769,737.52 and 1,089,320.44 is: 1,503,237.11
Step by Step Solution
- Step 1: Write the proportion equation
2,007,089.68 : 2,769,737.52 = 1,089,320.44 : x - Step 2: Convert to fraction form
2,007,089.68/2,769,737.52 = 1,089,320.44/x - Step 3: Cross multiply
2,007,089.68x = 2,769,737.52 × 1,089,320.44 - Step 4: Simplify right side
2,007,089.68x = 3,017,131,693,970.91 - Step 5: Solve for x
x = 3,017,131,693,970.91/2,007,089.68 - Step 6: Final answer
x = 1,503,237.11
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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.