Finding the Fourth Proportional to 6,790,798.60, 10,186,107.72 and 1,673,289.70
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Solution
The fourth proportional to 6,790,798.60, 10,186,107.72 and 1,673,289.70 is: 2,509,912.33
Step by Step Solution
- Step 1: Write the proportion equation
6,790,798.60 : 10,186,107.72 = 1,673,289.70 : x - Step 2: Convert to fraction form
6,790,798.60/10,186,107.72 = 1,673,289.70/x - Step 3: Cross multiply
6,790,798.60x = 10,186,107.72 × 1,673,289.70 - Step 4: Simplify right side
6,790,798.60x = 17,044,309,130,966.48 - Step 5: Solve for x
x = 17,044,309,130,966.48/6,790,798.60 - Step 6: Final answer
x = 2,509,912.33
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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.