Finding the Fourth Proportional to 1,554,259.16, 2,331,184.62 and 489,306.80
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Solution
The fourth proportional to 1,554,259.16, 2,331,184.62 and 489,306.80 is: 733,895.94
Step by Step Solution
- Step 1: Write the proportion equation
1,554,259.16 : 2,331,184.62 = 489,306.80 : x - Step 2: Convert to fraction form
1,554,259.16/2,331,184.62 = 489,306.80/x - Step 3: Cross multiply
1,554,259.16x = 2,331,184.62 × 489,306.80 - Step 4: Simplify right side
1,554,259.16x = 1,140,664,486,621.42 - Step 5: Solve for x
x = 1,140,664,486,621.42/1,554,259.16 - Step 6: Final answer
x = 733,895.94
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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.