Finding the Fourth Proportional to 5,661,767.70, 7,813,460.58 and 3,214,606.44
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Solution
The fourth proportional to 5,661,767.70, 7,813,460.58 and 3,214,606.44 is: 4,436,282.45
Step by Step Solution
- Step 1: Write the proportion equation
5,661,767.70 : 7,813,460.58 = 3,214,606.44 : x - Step 2: Convert to fraction form
5,661,767.70/7,813,460.58 = 3,214,606.44/x - Step 3: Cross multiply
5,661,767.70x = 7,813,460.58 × 3,214,606.44 - Step 4: Simplify right side
5,661,767.70x = 25,117,200,699,154.14 - Step 5: Solve for x
x = 25,117,200,699,154.14/5,661,767.70 - Step 6: Final answer
x = 4,436,282.45
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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.