Finding the Fourth Proportional to 1,910,491.12, 2,636,382.45 and 1,051,029.28
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Solution
The fourth proportional to 1,910,491.12, 2,636,382.45 and 1,051,029.28 is: 1,450,367.98
Step by Step Solution
- Step 1: Write the proportion equation
1,910,491.12 : 2,636,382.45 = 1,051,029.28 : x - Step 2: Convert to fraction form
1,910,491.12/2,636,382.45 = 1,051,029.28/x - Step 3: Cross multiply
1,910,491.12x = 2,636,382.45 × 1,051,029.28 - Step 4: Simplify right side
1,910,491.12x = 2,770,915,148,228.14 - Step 5: Solve for x
x = 2,770,915,148,228.14/1,910,491.12 - Step 6: Final answer
x = 1,450,367.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.