Finding the Fourth Proportional to 3,753,128.19, 5,179,326.08 and 2,034,246.99
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Solution
The fourth proportional to 3,753,128.19, 5,179,326.08 and 2,034,246.99 is: 2,807,265.82
Step by Step Solution
- Step 1: Write the proportion equation
3,753,128.19 : 5,179,326.08 = 2,034,246.99 : x - Step 2: Convert to fraction form
3,753,128.19/5,179,326.08 = 2,034,246.99/x - Step 3: Cross multiply
3,753,128.19x = 5,179,326.08 × 2,034,246.99 - Step 4: Simplify right side
3,753,128.19x = 10,536,028,478,297.26 - Step 5: Solve for x
x = 10,536,028,478,297.26/3,753,128.19 - Step 6: Final answer
x = 2,807,265.82
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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.