Finding the Fourth Proportional to 1,648,121.91, 2,274,295.50 and 913,050.96
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Solution
The fourth proportional to 1,648,121.91, 2,274,295.50 and 913,050.96 is: 1,259,947.87
Step by Step Solution
- Step 1: Write the proportion equation
1,648,121.91 : 2,274,295.50 = 913,050.96 : x - Step 2: Convert to fraction form
1,648,121.91/2,274,295.50 = 913,050.96/x - Step 3: Cross multiply
1,648,121.91x = 2,274,295.50 × 913,050.96 - Step 4: Simplify right side
1,648,121.91x = 2,076,547,689,598.68 - Step 5: Solve for x
x = 2,076,547,689,598.68/1,648,121.91 - Step 6: Final answer
x = 1,259,947.87
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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.