Finding the Fourth Proportional to 1,346,207.70, 2,019,311.55 and 493,277.70
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Solution
The fourth proportional to 1,346,207.70, 2,019,311.55 and 493,277.70 is: 739,916.55
Step by Step Solution
- Step 1: Write the proportion equation
1,346,207.70 : 2,019,311.55 = 493,277.70 : x - Step 2: Convert to fraction form
1,346,207.70/2,019,311.55 = 493,277.70/x - Step 3: Cross multiply
1,346,207.70x = 2,019,311.55 × 493,277.70 - Step 4: Simplify right side
1,346,207.70x = 996,081,356,967.44 - Step 5: Solve for x
x = 996,081,356,967.44/1,346,207.70 - Step 6: Final answer
x = 739,916.55
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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.