Finding the Fourth Proportional to 1,423,992.76, 2,136,481.21 and 890,878.70
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Solution
The fourth proportional to 1,423,992.76, 2,136,481.21 and 890,878.70 is: 1,336,625.91
Step by Step Solution
- Step 1: Write the proportion equation
1,423,992.76 : 2,136,481.21 = 890,878.70 : x - Step 2: Convert to fraction form
1,423,992.76/2,136,481.21 = 890,878.70/x - Step 3: Cross multiply
1,423,992.76x = 2,136,481.21 × 890,878.70 - Step 4: Simplify right side
1,423,992.76x = 1,903,345,609,394.03 - Step 5: Solve for x
x = 1,903,345,609,394.03/1,423,992.76 - Step 6: Final answer
x = 1,336,625.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.