Finding the Fourth Proportional to 5,028,470.80, 7,542,706.20 and 1,833,701.20
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Solution
The fourth proportional to 5,028,470.80, 7,542,706.20 and 1,833,701.20 is: 2,750,551.80
Step by Step Solution
- Step 1: Write the proportion equation
5,028,470.80 : 7,542,706.20 = 1,833,701.20 : x - Step 2: Convert to fraction form
5,028,470.80/7,542,706.20 = 1,833,701.20/x - Step 3: Cross multiply
5,028,470.80x = 7,542,706.20 × 1,833,701.20 - Step 4: Simplify right side
5,028,470.80x = 13,831,069,410,187.44 - Step 5: Solve for x
x = 13,831,069,410,187.44/5,028,470.80 - Step 6: Final answer
x = 2,750,551.80
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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.