Finding the Fourth Proportional to 1,982,156.47, 2,973,059.74 and 719,995.03
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Solution
The fourth proportional to 1,982,156.47, 2,973,059.74 and 719,995.03 is: 1,079,928.99
Step by Step Solution
- Step 1: Write the proportion equation
1,982,156.47 : 2,973,059.74 = 719,995.03 : x - Step 2: Convert to fraction form
1,982,156.47/2,973,059.74 = 719,995.03/x - Step 3: Cross multiply
1,982,156.47x = 2,973,059.74 × 719,995.03 - Step 4: Simplify right side
1,982,156.47x = 2,140,588,230,160.44 - Step 5: Solve for x
x = 2,140,588,230,160.44/1,982,156.47 - Step 6: Final answer
x = 1,079,928.99
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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.