Finding the Fourth Proportional to 2,982,078.09, 4,473,117.05 and 738,216.09
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Solution
The fourth proportional to 2,982,078.09, 4,473,117.05 and 738,216.09 is: 1,107,324.11
Step by Step Solution
- Step 1: Write the proportion equation
2,982,078.09 : 4,473,117.05 = 738,216.09 : x - Step 2: Convert to fraction form
2,982,078.09/4,473,117.05 = 738,216.09/x - Step 3: Cross multiply
2,982,078.09x = 4,473,117.05 × 738,216.09 - Step 4: Simplify right side
2,982,078.09x = 3,302,126,975,072.25 - Step 5: Solve for x
x = 3,302,126,975,072.25/2,982,078.09 - Step 6: Final answer
x = 1,107,324.11
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1.5x scale
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.