Finding the Fourth Proportional to 1,412,539.19, 2,119,246.19 and 489,373.69
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Solution
The fourth proportional to 1,412,539.19, 2,119,246.19 and 489,373.69 is: 734,212.06
Step by Step Solution
- Step 1: Write the proportion equation
1,412,539.19 : 2,119,246.19 = 489,373.69 : x - Step 2: Convert to fraction form
1,412,539.19/2,119,246.19 = 489,373.69/x - Step 3: Cross multiply
1,412,539.19x = 2,119,246.19 × 489,373.69 - Step 4: Simplify right side
1,412,539.19x = 1,037,103,314,975.64 - Step 5: Solve for x
x = 1,037,103,314,975.64/1,412,539.19 - Step 6: Final answer
x = 734,212.06
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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.