Finding the Fourth Proportional to 1,389,237.78, 2,082,658.87 and 536,907.49
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Solution
The fourth proportional to 1,389,237.78, 2,082,658.87 and 536,907.49 is: 804,898.31
Step by Step Solution
- Step 1: Write the proportion equation
1,389,237.78 : 2,082,658.87 = 536,907.49 : x - Step 2: Convert to fraction form
1,389,237.78/2,082,658.87 = 536,907.49/x - Step 3: Cross multiply
1,389,237.78x = 2,082,658.87 × 536,907.49 - Step 4: Simplify right side
1,389,237.78x = 1,118,195,146,417.94 - Step 5: Solve for x
x = 1,118,195,146,417.94/1,389,237.78 - Step 6: Final answer
x = 804,898.31
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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.