Finding the Fourth Proportional to 1,486,368.70, 2,229,423.45 and 489,096.70
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Solution
The fourth proportional to 1,486,368.70, 2,229,423.45 and 489,096.70 is: 733,602.40
Step by Step Solution
- Step 1: Write the proportion equation
1,486,368.70 : 2,229,423.45 = 489,096.70 : x - Step 2: Convert to fraction form
1,486,368.70/2,229,423.45 = 489,096.70/x - Step 3: Cross multiply
1,486,368.70x = 2,229,423.45 × 489,096.70 - Step 4: Simplify right side
1,486,368.70x = 1,090,403,652,297.62 - Step 5: Solve for x
x = 1,090,403,652,297.62/1,486,368.70 - Step 6: Final answer
x = 733,602.40
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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.