Finding the Fourth Proportional to 1,690,475.49, 2,536,708.34 and 626,259.42
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Solution
The fourth proportional to 1,690,475.49, 2,536,708.34 and 626,259.42 is: 939,757.78
Step by Step Solution
- Step 1: Write the proportion equation
1,690,475.49 : 2,536,708.34 = 626,259.42 : x - Step 2: Convert to fraction form
1,690,475.49/2,536,708.34 = 626,259.42/x - Step 3: Cross multiply
1,690,475.49x = 2,536,708.34 × 626,259.42 - Step 4: Simplify right side
1,690,475.49x = 1,588,637,493,717.56 - Step 5: Solve for x
x = 1,588,637,493,717.56/1,690,475.49 - Step 6: Final answer
x = 939,757.78
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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.