Finding the Fourth Proportional to 4,272,727.44, 5,896,363.38 and 2,312,605.17
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Solution
The fourth proportional to 4,272,727.44, 5,896,363.38 and 2,312,605.17 is: 3,191,394.87
Step by Step Solution
- Step 1: Write the proportion equation
4,272,727.44 : 5,896,363.38 = 2,312,605.17 : x - Step 2: Convert to fraction form
4,272,727.44/5,896,363.38 = 2,312,605.17/x - Step 3: Cross multiply
4,272,727.44x = 5,896,363.38 × 2,312,605.17 - Step 4: Simplify right side
4,272,727.44x = 13,635,960,436,786.67 - Step 5: Solve for x
x = 13,635,960,436,786.67/4,272,727.44 - Step 6: Final answer
x = 3,191,394.87
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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.