Finding the Fourth Proportional to 1,720,276.20, 2,580,414.30 and 1,415,845.80
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Solution
The fourth proportional to 1,720,276.20, 2,580,414.30 and 1,415,845.80 is: 2,123,768.70
Step by Step Solution
- Step 1: Write the proportion equation
1,720,276.20 : 2,580,414.30 = 1,415,845.80 : x - Step 2: Convert to fraction form
1,720,276.20/2,580,414.30 = 1,415,845.80/x - Step 3: Cross multiply
1,720,276.20x = 2,580,414.30 × 1,415,845.80 - Step 4: Simplify right side
1,720,276.20x = 3,653,468,748,914.94 - Step 5: Solve for x
x = 3,653,468,748,914.94/1,720,276.20 - Step 6: Final answer
x = 2,123,768.70
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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.