Finding the Fourth Proportional to 1,663,578.35, 2,295,720.54 and 938,661.97
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Solution
The fourth proportional to 1,663,578.35, 2,295,720.54 and 938,661.97 is: 1,295,343.60
Step by Step Solution
- Step 1: Write the proportion equation
1,663,578.35 : 2,295,720.54 = 938,661.97 : x - Step 2: Convert to fraction form
1,663,578.35/2,295,720.54 = 938,661.97/x - Step 3: Cross multiply
1,663,578.35x = 2,295,720.54 × 938,661.97 - Step 4: Simplify right side
1,663,578.35x = 2,154,905,564,645.86 - Step 5: Solve for x
x = 2,154,905,564,645.86/1,663,578.35 - Step 6: Final answer
x = 1,295,343.60
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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.