Finding the Fourth Proportional to 1,664,609.44, 2,489,701.02 and 979,864.41
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Solution
The fourth proportional to 1,664,609.44, 2,489,701.02 and 979,864.41 is: 1,465,550.63
Step by Step Solution
- Step 1: Write the proportion equation
1,664,609.44 : 2,489,701.02 = 979,864.41 : x - Step 2: Convert to fraction form
1,664,609.44/2,489,701.02 = 979,864.41/x - Step 3: Cross multiply
1,664,609.44x = 2,489,701.02 × 979,864.41 - Step 4: Simplify right side
1,664,609.44x = 2,439,569,421,038.70 - Step 5: Solve for x
x = 2,439,569,421,038.70/1,664,609.44 - Step 6: Final answer
x = 1,465,550.63
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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.