Finding the Fourth Proportional to 1,472,651.82, 2,032,219.13 and 828,055.44
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Solution
The fourth proportional to 1,472,651.82, 2,032,219.13 and 828,055.44 is: 1,142,693.80
Step by Step Solution
- Step 1: Write the proportion equation
1,472,651.82 : 2,032,219.13 = 828,055.44 : x - Step 2: Convert to fraction form
1,472,651.82/2,032,219.13 = 828,055.44/x - Step 3: Cross multiply
1,472,651.82x = 2,032,219.13 × 828,055.44 - Step 4: Simplify right side
1,472,651.82x = 1,682,790,101,728.29 - Step 5: Solve for x
x = 1,682,790,101,728.29/1,472,651.82 - Step 6: Final answer
x = 1,142,693.80
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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.