Finding the Fourth Proportional to 5,476,308.32, 8,212,715.58 and 1,881,208.36
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Solution
The fourth proportional to 5,476,308.32, 8,212,715.58 and 1,881,208.36 is: 2,821,212.45
Step by Step Solution
- Step 1: Write the proportion equation
5,476,308.32 : 8,212,715.58 = 1,881,208.36 : x - Step 2: Convert to fraction form
5,476,308.32/8,212,715.58 = 1,881,208.36/x - Step 3: Cross multiply
5,476,308.32x = 8,212,715.58 × 1,881,208.36 - Step 4: Simplify right side
5,476,308.32x = 15,449,829,207,398.25 - Step 5: Solve for x
x = 15,449,829,207,398.25/5,476,308.32 - Step 6: Final answer
x = 2,821,212.45
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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.