Finding the Fourth Proportional to 2,669,380.24, 3,683,726.47 and 1,445,657.62
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Solution
The fourth proportional to 2,669,380.24, 3,683,726.47 and 1,445,657.62 is: 1,994,997.63
Step by Step Solution
- Step 1: Write the proportion equation
2,669,380.24 : 3,683,726.47 = 1,445,657.62 : x - Step 2: Convert to fraction form
2,669,380.24/3,683,726.47 = 1,445,657.62/x - Step 3: Cross multiply
2,669,380.24x = 3,683,726.47 × 1,445,657.62 - Step 4: Simplify right side
2,669,380.24x = 5,325,407,241,351.20 - Step 5: Solve for x
x = 5,325,407,241,351.20/2,669,380.24 - Step 6: Final answer
x = 1,994,997.63
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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.