Finding the Fourth Proportional to 5,120,764.84, 7,675,781.84 and 2,386,057.62
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Solution
The fourth proportional to 5,120,764.84, 7,675,781.84 and 2,386,057.62 is: 3,576,586.38
Step by Step Solution
- Step 1: Write the proportion equation
5,120,764.84 : 7,675,781.84 = 2,386,057.62 : x - Step 2: Convert to fraction form
5,120,764.84/7,675,781.84 = 2,386,057.62/x - Step 3: Cross multiply
5,120,764.84x = 7,675,781.84 × 2,386,057.62 - Step 4: Simplify right side
5,120,764.84x = 18,314,857,774,591.23 - Step 5: Solve for x
x = 18,314,857,774,591.23/5,120,764.84 - Step 6: Final answer
x = 3,576,586.38
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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.