Finding the Fourth Proportional to 4,919,424.24, 6,788,815.80 and 2,743,911.36
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Solution
The fourth proportional to 4,919,424.24, 6,788,815.80 and 2,743,911.36 is: 3,786,603.45
Step by Step Solution
- Step 1: Write the proportion equation
4,919,424.24 : 6,788,815.80 = 2,743,911.36 : x - Step 2: Convert to fraction form
4,919,424.24/6,788,815.80 = 2,743,911.36/x - Step 3: Cross multiply
4,919,424.24x = 6,788,815.80 × 2,743,911.36 - Step 4: Simplify right side
4,919,424.24x = 18,627,908,794,567.49 - Step 5: Solve for x
x = 18,627,908,794,567.49/4,919,424.24 - Step 6: Final answer
x = 3,786,603.45
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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.