Finding the Fourth Proportional to 2,368,813.21, 3,268,952.79 and 1,281,085.93
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Solution
The fourth proportional to 2,368,813.21, 3,268,952.79 and 1,281,085.93 is: 1,767,893.48
Step by Step Solution
- Step 1: Write the proportion equation
2,368,813.21 : 3,268,952.79 = 1,281,085.93 : x - Step 2: Convert to fraction form
2,368,813.21/3,268,952.79 = 1,281,085.93/x - Step 3: Cross multiply
2,368,813.21x = 3,268,952.79 × 1,281,085.93 - Step 4: Simplify right side
2,368,813.21x = 4,187,809,425,103.24 - Step 5: Solve for x
x = 4,187,809,425,103.24/2,368,813.21 - Step 6: Final answer
x = 1,767,893.48
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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.