Finding the Fourth Proportional to 1,479,792.74, 2,219,968.95 and 469,169.06
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Solution
The fourth proportional to 1,479,792.74, 2,219,968.95 and 469,169.06 is: 703,842.31
Step by Step Solution
- Step 1: Write the proportion equation
1,479,792.74 : 2,219,968.95 = 469,169.06 : x - Step 2: Convert to fraction form
1,479,792.74/2,219,968.95 = 469,169.06/x - Step 3: Cross multiply
1,479,792.74x = 2,219,968.95 × 469,169.06 - Step 4: Simplify right side
1,479,792.74x = 1,041,540,745,500.69 - Step 5: Solve for x
x = 1,041,540,745,500.69/1,479,792.74 - Step 6: Final answer
x = 703,842.31
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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.