Finding the Fourth Proportional to 2,807,922.47, 4,212,408.62 and 1,125,157.19
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Solution
The fourth proportional to 2,807,922.47, 4,212,408.62 and 1,125,157.19 is: 1,687,946.12
Step by Step Solution
- Step 1: Write the proportion equation
2,807,922.47 : 4,212,408.62 = 1,125,157.19 : x - Step 2: Convert to fraction form
2,807,922.47/4,212,408.62 = 1,125,157.19/x - Step 3: Cross multiply
2,807,922.47x = 4,212,408.62 × 1,125,157.19 - Step 4: Simplify right side
2,807,922.47x = 4,739,621,827,761.83 - Step 5: Solve for x
x = 4,739,621,827,761.83/2,807,922.47 - Step 6: Final answer
x = 1,687,946.12
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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.