Finding the Fourth Proportional to 5,328,767.39, 7,353,693.79 and 2,881,372.57
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Solution
The fourth proportional to 5,328,767.39, 7,353,693.79 and 2,881,372.57 is: 3,976,291.33
Step by Step Solution
- Step 1: Write the proportion equation
5,328,767.39 : 7,353,693.79 = 2,881,372.57 : x - Step 2: Convert to fraction form
5,328,767.39/7,353,693.79 = 2,881,372.57/x - Step 3: Cross multiply
5,328,767.39x = 7,353,693.79 × 2,881,372.57 - Step 4: Simplify right side
5,328,767.39x = 21,188,731,574,685.34 - Step 5: Solve for x
x = 21,188,731,574,685.34/5,328,767.39 - Step 6: Final answer
x = 3,976,291.33
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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.