Finding the Fourth Proportional to 3,828,935.40, 5,283,919.30 and 2,110,055.40
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Solution
The fourth proportional to 3,828,935.40, 5,283,919.30 and 2,110,055.40 is: 2,911,870.09
Step by Step Solution
- Step 1: Write the proportion equation
3,828,935.40 : 5,283,919.30 = 2,110,055.40 : x - Step 2: Convert to fraction form
3,828,935.40/5,283,919.30 = 2,110,055.40/x - Step 3: Cross multiply
3,828,935.40x = 5,283,919.30 × 2,110,055.40 - Step 4: Simplify right side
3,828,935.40x = 11,149,362,452,129.22 - Step 5: Solve for x
x = 11,149,362,452,129.22/3,828,935.40 - Step 6: Final answer
x = 2,911,870.09
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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.