Finding the Fourth Proportional to 1,688,295.72, 2,532,449.57 and 408,904.05
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Solution
The fourth proportional to 1,688,295.72, 2,532,449.57 and 408,904.05 is: 613,357.52
Step by Step Solution
- Step 1: Write the proportion equation
1,688,295.72 : 2,532,449.57 = 408,904.05 : x - Step 2: Convert to fraction form
1,688,295.72/2,532,449.57 = 408,904.05/x - Step 3: Cross multiply
1,688,295.72x = 2,532,449.57 × 408,904.05 - Step 4: Simplify right side
1,688,295.72x = 1,035,528,883,549.24 - Step 5: Solve for x
x = 1,035,528,883,549.24/1,688,295.72 - Step 6: Final answer
x = 613,357.52
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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.