Finding the Fourth Proportional to 4,689,839.58, 7,029,881.97 and 1,813,182.09
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Solution
The fourth proportional to 4,689,839.58, 7,029,881.97 and 1,813,182.09 is: 2,717,887.44
Step by Step Solution
- Step 1: Write the proportion equation
4,689,839.58 : 7,029,881.97 = 1,813,182.09 : x - Step 2: Convert to fraction form
4,689,839.58/7,029,881.97 = 1,813,182.09/x - Step 3: Cross multiply
4,689,839.58x = 7,029,881.97 × 1,813,182.09 - Step 4: Simplify right side
4,689,839.58x = 12,746,456,082,817.92 - Step 5: Solve for x
x = 12,746,456,082,817.92/4,689,839.58 - Step 6: Final answer
x = 2,717,887.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.