Finding the Fourth Proportional to 5,143,517.84, 7,716,774.86 and 2,302,965.70
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Solution
The fourth proportional to 5,143,517.84, 7,716,774.86 and 2,302,965.70 is: 3,455,119.31
Step by Step Solution
- Step 1: Write the proportion equation
5,143,517.84 : 7,716,774.86 = 2,302,965.70 : x - Step 2: Convert to fraction form
5,143,517.84/7,716,774.86 = 2,302,965.70/x - Step 3: Cross multiply
5,143,517.84x = 7,716,774.86 × 2,302,965.70 - Step 4: Simplify right side
5,143,517.84x = 17,771,467,817,202.30 - Step 5: Solve for x
x = 17,771,467,817,202.30/5,143,517.84 - Step 6: Final answer
x = 3,455,119.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.