Finding the Fourth Proportional to 5,104,869.29, 7,044,766.85 and 2,813,111.99
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Solution
The fourth proportional to 5,104,869.29, 7,044,766.85 and 2,813,111.99 is: 3,882,120.57
Step by Step Solution
- Step 1: Write the proportion equation
5,104,869.29 : 7,044,766.85 = 2,813,111.99 : x - Step 2: Convert to fraction form
5,104,869.29/7,044,766.85 = 2,813,111.99/x - Step 3: Cross multiply
5,104,869.29x = 7,044,766.85 × 2,813,111.99 - Step 4: Simplify right side
5,104,869.29x = 19,817,718,064,298.48 - Step 5: Solve for x
x = 19,817,718,064,298.48/5,104,869.29 - Step 6: Final answer
x = 3,882,120.57
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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.