Finding the Fourth Proportional to 1,553,729.40, 2,330,594.10 and 489,097.80
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Solution
The fourth proportional to 1,553,729.40, 2,330,594.10 and 489,097.80 is: 733,646.70
Step by Step Solution
- Step 1: Write the proportion equation
1,553,729.40 : 2,330,594.10 = 489,097.80 : x - Step 2: Convert to fraction form
1,553,729.40/2,330,594.10 = 489,097.80/x - Step 3: Cross multiply
1,553,729.40x = 2,330,594.10 × 489,097.80 - Step 4: Simplify right side
1,553,729.40x = 1,139,888,447,002.98 - Step 5: Solve for x
x = 1,139,888,447,002.98/1,553,729.40 - Step 6: Final answer
x = 733,646.70
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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.