Finding the Fourth Proportional to 1,788,203.51, 2,467,785.74 and 1,024,404.70
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Solution
The fourth proportional to 1,788,203.51, 2,467,785.74 and 1,024,404.70 is: 1,413,715.66
Step by Step Solution
- Step 1: Write the proportion equation
1,788,203.51 : 2,467,785.74 = 1,024,404.70 : x - Step 2: Convert to fraction form
1,788,203.51/2,467,785.74 = 1,024,404.70/x - Step 3: Cross multiply
1,788,203.51x = 2,467,785.74 × 1,024,404.70 - Step 4: Simplify right side
1,788,203.51x = 2,528,011,302,806.22 - Step 5: Solve for x
x = 2,528,011,302,806.22/1,788,203.51 - Step 6: Final answer
x = 1,413,715.66
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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.