Finding the Fourth Proportional to 6,529,986.21, 9,794,948.50 and 1,672,283.31
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Solution
The fourth proportional to 6,529,986.21, 9,794,948.50 and 1,672,283.31 is: 2,508,417.07
Step by Step Solution
- Step 1: Write the proportion equation
6,529,986.21 : 9,794,948.50 = 1,672,283.31 : x - Step 2: Convert to fraction form
6,529,986.21/9,794,948.50 = 1,672,283.31/x - Step 3: Cross multiply
6,529,986.21x = 9,794,948.50 × 1,672,283.31 - Step 4: Simplify right side
6,529,986.21x = 16,379,928,898,859.54 - Step 5: Solve for x
x = 16,379,928,898,859.54/6,529,986.21 - Step 6: Final answer
x = 2,508,417.07
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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.