Finding the Fourth Proportional to 1,608,823.23, 2,220,330.24 and 920,358.39
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Solution
The fourth proportional to 1,608,823.23, 2,220,330.24 and 920,358.39 is: 1,270,182.78
Step by Step Solution
- Step 1: Write the proportion equation
1,608,823.23 : 2,220,330.24 = 920,358.39 : x - Step 2: Convert to fraction form
1,608,823.23/2,220,330.24 = 920,358.39/x - Step 3: Cross multiply
1,608,823.23x = 2,220,330.24 × 920,358.39 - Step 4: Simplify right side
1,608,823.23x = 2,043,499,564,954.71 - Step 5: Solve for x
x = 2,043,499,564,954.71/1,608,823.23 - Step 6: Final answer
x = 1,270,182.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.