Finding the Fourth Proportional to 1,889,306.37, 2,607,269.92 and 1,029,866.60
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Solution
The fourth proportional to 1,889,306.37, 2,607,269.92 and 1,029,866.60 is: 1,421,230.70
Step by Step Solution
- Step 1: Write the proportion equation
1,889,306.37 : 2,607,269.92 = 1,029,866.60 : x - Step 2: Convert to fraction form
1,889,306.37/2,607,269.92 = 1,029,866.60/x - Step 3: Cross multiply
1,889,306.37x = 2,607,269.92 × 1,029,866.60 - Step 4: Simplify right side
1,889,306.37x = 2,685,140,211,736.18 - Step 5: Solve for x
x = 2,685,140,211,736.18/1,889,306.37 - Step 6: Final answer
x = 1,421,230.70
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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.