Finding the Fourth Proportional to 2,996,488.50, 4,135,154.14 and 1,638,361.50
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Solution
The fourth proportional to 2,996,488.50, 4,135,154.14 and 1,638,361.50 is: 2,260,938.88
Step by Step Solution
- Step 1: Write the proportion equation
2,996,488.50 : 4,135,154.14 = 1,638,361.50 : x - Step 2: Convert to fraction form
2,996,488.50/4,135,154.14 = 1,638,361.50/x - Step 3: Cross multiply
2,996,488.50x = 4,135,154.14 × 1,638,361.50 - Step 4: Simplify right side
2,996,488.50x = 6,774,877,339,541.61 - Step 5: Solve for x
x = 6,774,877,339,541.61/2,996,488.50 - Step 6: Final answer
x = 2,260,938.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.