Finding the Fourth Proportional to 1,424,885.18, 2,137,438.48 and 414,021.65
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Solution
The fourth proportional to 1,424,885.18, 2,137,438.48 and 414,021.65 is: 621,064.65
Step by Step Solution
- Step 1: Write the proportion equation
1,424,885.18 : 2,137,438.48 = 414,021.65 : x - Step 2: Convert to fraction form
1,424,885.18/2,137,438.48 = 414,021.65/x - Step 3: Cross multiply
1,424,885.18x = 2,137,438.48 × 414,021.65 - Step 4: Simplify right side
1,424,885.18x = 884,945,813,351.77 - Step 5: Solve for x
x = 884,945,813,351.77/1,424,885.18 - Step 6: Final answer
x = 621,064.65
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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.