Finding the Fourth Proportional to 1,690,542.87, 2,536,229.52 and 492,475.70
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Solution
The fourth proportional to 1,690,542.87, 2,536,229.52 and 492,475.70 is: 738,834.50
Step by Step Solution
- Step 1: Write the proportion equation
1,690,542.87 : 2,536,229.52 = 492,475.70 : x - Step 2: Convert to fraction form
1,690,542.87/2,536,229.52 = 492,475.70/x - Step 3: Cross multiply
1,690,542.87x = 2,536,229.52 × 492,475.70 - Step 4: Simplify right side
1,690,542.87x = 1,249,031,395,541.52 - Step 5: Solve for x
x = 1,249,031,395,541.52/1,690,542.87 - Step 6: Final answer
x = 738,834.50
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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.