Finding the Fourth Proportional to 1,749,176.10, 2,413,038.15 and 1,023,578.70
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Solution
The fourth proportional to 1,749,176.10, 2,413,038.15 and 1,023,578.70 is: 1,412,055.91
Step by Step Solution
- Step 1: Write the proportion equation
1,749,176.10 : 2,413,038.15 = 1,023,578.70 : x - Step 2: Convert to fraction form
1,749,176.10/2,413,038.15 = 1,023,578.70/x - Step 3: Cross multiply
1,749,176.10x = 2,413,038.15 × 1,023,578.70 - Step 4: Simplify right side
1,749,176.10x = 2,469,934,452,627.40 - Step 5: Solve for x
x = 2,469,934,452,627.40/1,749,176.10 - Step 6: Final answer
x = 1,412,055.91
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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.