Finding the Fourth Proportional to 1,554,576.57, 2,331,643.41 and 489,590.94
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Solution
The fourth proportional to 1,554,576.57, 2,331,643.41 and 489,590.94 is: 734,316.67
Step by Step Solution
- Step 1: Write the proportion equation
1,554,576.57 : 2,331,643.41 = 489,590.94 : x - Step 2: Convert to fraction form
1,554,576.57/2,331,643.41 = 489,590.94/x - Step 3: Cross multiply
1,554,576.57x = 2,331,643.41 × 489,590.94 - Step 4: Simplify right side
1,554,576.57x = 1,141,551,488,846.71 - Step 5: Solve for x
x = 1,141,551,488,846.71/1,554,576.57 - Step 6: Final answer
x = 734,316.67
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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.