Finding the Fourth Proportional to 1,319,014.44, 1,977,856.38 and 939,718.44
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Solution
The fourth proportional to 1,319,014.44, 1,977,856.38 and 939,718.44 is: 1,409,103.69
Step by Step Solution
- Step 1: Write the proportion equation
1,319,014.44 : 1,977,856.38 = 939,718.44 : x - Step 2: Convert to fraction form
1,319,014.44/1,977,856.38 = 939,718.44/x - Step 3: Cross multiply
1,319,014.44x = 1,977,856.38 × 939,718.44 - Step 4: Simplify right side
1,319,014.44x = 1,858,628,111,957.65 - Step 5: Solve for x
x = 1,858,628,111,957.65/1,319,014.44 - Step 6: Final answer
x = 1,409,103.69
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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.