Finding the Fourth Proportional to 1,440,155.36, 2,160,539.20 and 493,271.84
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Solution
The fourth proportional to 1,440,155.36, 2,160,539.20 and 493,271.84 is: 740,012.62
Step by Step Solution
- Step 1: Write the proportion equation
1,440,155.36 : 2,160,539.20 = 493,271.84 : x - Step 2: Convert to fraction form
1,440,155.36/2,160,539.20 = 493,271.84/x - Step 3: Cross multiply
1,440,155.36x = 2,160,539.20 × 493,271.84 - Step 4: Simplify right side
1,440,155.36x = 1,065,733,146,576.13 - Step 5: Solve for x
x = 1,065,733,146,576.13/1,440,155.36 - Step 6: Final answer
x = 740,012.62
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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.