Finding the Fourth Proportional to 1,779,325.62, 2,668,436.50 and 641,939.96
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Solution
The fourth proportional to 1,779,325.62, 2,668,436.50 and 641,939.96 is: 962,710.82
Step by Step Solution
- Step 1: Write the proportion equation
1,779,325.62 : 2,668,436.50 = 641,939.96 : x - Step 2: Convert to fraction form
1,779,325.62/2,668,436.50 = 641,939.96/x - Step 3: Cross multiply
1,779,325.62x = 2,668,436.50 × 641,939.96 - Step 4: Simplify right side
1,779,325.62x = 1,712,976,020,072.54 - Step 5: Solve for x
x = 1,712,976,020,072.54/1,779,325.62 - Step 6: Final answer
x = 962,710.82
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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.