Finding the Fourth Proportional to 1,852,429.12, 2,556,459.84 and 1,036,625.68
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Solution
The fourth proportional to 1,852,429.12, 2,556,459.84 and 1,036,625.68 is: 1,430,603.68
Step by Step Solution
- Step 1: Write the proportion equation
1,852,429.12 : 2,556,459.84 = 1,036,625.68 : x - Step 2: Convert to fraction form
1,852,429.12/2,556,459.84 = 1,036,625.68/x - Step 3: Cross multiply
1,852,429.12x = 2,556,459.84 × 1,036,625.68 - Step 4: Simplify right side
1,852,429.12x = 2,650,091,920,032.69 - Step 5: Solve for x
x = 2,650,091,920,032.69/1,852,429.12 - Step 6: Final answer
x = 1,430,603.68
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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.