Finding the Fourth Proportional to 1,761,772.14, 2,431,447.23 and 987,612.07
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Solution
The fourth proportional to 1,761,772.14, 2,431,447.23 and 987,612.07 is: 1,363,017.71
Step by Step Solution
- Step 1: Write the proportion equation
1,761,772.14 : 2,431,447.23 = 987,612.07 : x - Step 2: Convert to fraction form
1,761,772.14/2,431,447.23 = 987,612.07/x - Step 3: Cross multiply
1,761,772.14x = 2,431,447.23 × 987,612.07 - Step 4: Simplify right side
1,761,772.14x = 2,401,326,619,758.83 - Step 5: Solve for x
x = 2,401,326,619,758.83/1,761,772.14 - Step 6: Final answer
x = 1,363,017.71
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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.