Finding the Fourth Proportional to 1,687,986.42, 2,530,706.18 and 550,069.13
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Solution
The fourth proportional to 1,687,986.42, 2,530,706.18 and 550,069.13 is: 824,688.70
Step by Step Solution
- Step 1: Write the proportion equation
1,687,986.42 : 2,530,706.18 = 550,069.13 : x - Step 2: Convert to fraction form
1,687,986.42/2,530,706.18 = 550,069.13/x - Step 3: Cross multiply
1,687,986.42x = 2,530,706.18 × 550,069.13 - Step 4: Simplify right side
1,687,986.42x = 1,392,063,331,314.35 - Step 5: Solve for x
x = 1,392,063,331,314.35/1,687,986.42 - Step 6: Final answer
x = 824,688.70
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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.