Finding the Fourth Proportional to 1,644,974.70, 2,467,462.05 and 1,246,393.95
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Solution
The fourth proportional to 1,644,974.70, 2,467,462.05 and 1,246,393.95 is: 1,869,590.93
Step by Step Solution
- Step 1: Write the proportion equation
1,644,974.70 : 2,467,462.05 = 1,246,393.95 : x - Step 2: Convert to fraction form
1,644,974.70/2,467,462.05 = 1,246,393.95/x - Step 3: Cross multiply
1,644,974.70x = 2,467,462.05 × 1,246,393.95 - Step 4: Simplify right side
1,644,974.70x = 3,075,429,770,974.60 - Step 5: Solve for x
x = 3,075,429,770,974.60/1,644,974.70 - Step 6: Final answer
x = 1,869,590.93
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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.