Finding the Fourth Proportional to 1,901,596.96, 2,624,207.52 and 1,042,189.12
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Solution
The fourth proportional to 1,901,596.96, 2,624,207.52 and 1,042,189.12 is: 1,438,223.02
Step by Step Solution
- Step 1: Write the proportion equation
1,901,596.96 : 2,624,207.52 = 1,042,189.12 : x - Step 2: Convert to fraction form
1,901,596.96/2,624,207.52 = 1,042,189.12/x - Step 3: Cross multiply
1,901,596.96x = 2,624,207.52 × 1,042,189.12 - Step 4: Simplify right side
1,901,596.96x = 2,734,920,525,966.18 - Step 5: Solve for x
x = 2,734,920,525,966.18/1,901,596.96 - Step 6: Final answer
x = 1,438,223.02
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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.