Finding the Fourth Proportional to 6,911,585.44, 9,537,991.98 and 3,855,799.68
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Solution
The fourth proportional to 6,911,585.44, 9,537,991.98 and 3,855,799.68 is: 5,321,005.83
Step by Step Solution
- Step 1: Write the proportion equation
6,911,585.44 : 9,537,991.98 = 3,855,799.68 : x - Step 2: Convert to fraction form
6,911,585.44/9,537,991.98 = 3,855,799.68/x - Step 3: Cross multiply
6,911,585.44x = 9,537,991.98 × 3,855,799.68 - Step 4: Simplify right side
6,911,585.44x = 36,776,586,424,326.57 - Step 5: Solve for x
x = 36,776,586,424,326.57/6,911,585.44 - Step 6: Final answer
x = 5,321,005.83
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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.