Finding the Fourth Proportional to 2,845,593.81, 3,926,949.93 and 1,556,406.63
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Solution
The fourth proportional to 2,845,593.81, 3,926,949.93 and 1,556,406.63 is: 2,147,857.82
Step by Step Solution
- Step 1: Write the proportion equation
2,845,593.81 : 3,926,949.93 = 1,556,406.63 : x - Step 2: Convert to fraction form
2,845,593.81/3,926,949.93 = 1,556,406.63/x - Step 3: Cross multiply
2,845,593.81x = 3,926,949.93 × 1,556,406.63 - Step 4: Simplify right side
2,845,593.81x = 6,111,930,906,730.04 - Step 5: Solve for x
x = 6,111,930,906,730.04/2,845,593.81 - Step 6: Final answer
x = 2,147,857.82
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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.