Finding the Fourth Proportional to 1,761,772.14, 2,431,447.24 and 987,612.06
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Solution
The fourth proportional to 1,761,772.14, 2,431,447.24 and 987,612.06 is: 1,363,017.70
Step by Step Solution
- Step 1: Write the proportion equation
1,761,772.14 : 2,431,447.24 = 987,612.06 : x - Step 2: Convert to fraction form
1,761,772.14/2,431,447.24 = 987,612.06/x - Step 3: Cross multiply
1,761,772.14x = 2,431,447.24 × 987,612.06 - Step 4: Simplify right side
1,761,772.14x = 2,401,326,617,477.72 - Step 5: Solve for x
x = 2,401,326,617,477.72/1,761,772.14 - Step 6: Final answer
x = 1,363,017.70
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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.