Finding the Fourth Proportional to 1,425,601.87, 2,138,403.81 and 346,116.49
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Solution
The fourth proportional to 1,425,601.87, 2,138,403.81 and 346,116.49 is: 519,174.98
Step by Step Solution
- Step 1: Write the proportion equation
1,425,601.87 : 2,138,403.81 = 346,116.49 : x - Step 2: Convert to fraction form
1,425,601.87/2,138,403.81 = 346,116.49/x - Step 3: Cross multiply
1,425,601.87x = 2,138,403.81 × 346,116.49 - Step 4: Simplify right side
1,425,601.87x = 740,136,820,919.83 - Step 5: Solve for x
x = 740,136,820,919.83/1,425,601.87 - Step 6: Final answer
x = 519,174.98
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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.