Finding the Fourth Proportional to 1,716,607.26, 2,368,023.12 and 1,018,481.76
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Solution
The fourth proportional to 1,716,607.26, 2,368,023.12 and 1,018,481.76 is: 1,404,973.88
Step by Step Solution
- Step 1: Write the proportion equation
1,716,607.26 : 2,368,023.12 = 1,018,481.76 : x - Step 2: Convert to fraction form
1,716,607.26/2,368,023.12 = 1,018,481.76/x - Step 3: Cross multiply
1,716,607.26x = 2,368,023.12 × 1,018,481.76 - Step 4: Simplify right side
1,716,607.26x = 2,411,788,354,978.29 - Step 5: Solve for x
x = 2,411,788,354,978.29/1,716,607.26 - Step 6: Final answer
x = 1,404,973.88
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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.