Finding the Fourth Proportional to 1,664,491.20, 2,497,903.20 and 718,540.80
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Solution
The fourth proportional to 1,664,491.20, 2,497,903.20 and 718,540.80 is: 1,078,314.72
Step by Step Solution
- Step 1: Write the proportion equation
1,664,491.20 : 2,497,903.20 = 718,540.80 : x - Step 2: Convert to fraction form
1,664,491.20/2,497,903.20 = 718,540.80/x - Step 3: Cross multiply
1,664,491.20x = 2,497,903.20 × 718,540.80 - Step 4: Simplify right side
1,664,491.20x = 1,794,845,363,650.56 - Step 5: Solve for x
x = 1,794,845,363,650.56/1,664,491.20 - Step 6: Final answer
x = 1,078,314.72
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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.