Finding the Fourth Proportional to 2,688,428.58, 4,033,430.20 and 795,220.44
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Solution
The fourth proportional to 2,688,428.58, 4,033,430.20 and 795,220.44 is: 1,193,063.55
Step by Step Solution
- Step 1: Write the proportion equation
2,688,428.58 : 4,033,430.20 = 795,220.44 : x - Step 2: Convert to fraction form
2,688,428.58/4,033,430.20 = 795,220.44/x - Step 3: Cross multiply
2,688,428.58x = 4,033,430.20 × 795,220.44 - Step 4: Simplify right side
2,688,428.58x = 3,207,466,138,353.29 - Step 5: Solve for x
x = 3,207,466,138,353.29/2,688,428.58 - Step 6: Final answer
x = 1,193,063.55
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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.