Finding the Fourth Proportional to 1,845,669.62, 2,547,015.76 and 1,029,825.68
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Solution
The fourth proportional to 1,845,669.62, 2,547,015.76 and 1,029,825.68 is: 1,421,154.80
Step by Step Solution
- Step 1: Write the proportion equation
1,845,669.62 : 2,547,015.76 = 1,029,825.68 : x - Step 2: Convert to fraction form
1,845,669.62/2,547,015.76 = 1,029,825.68/x - Step 3: Cross multiply
1,845,669.62x = 2,547,015.76 × 1,029,825.68 - Step 4: Simplify right side
1,845,669.62x = 2,622,982,237,012.72 - Step 5: Solve for x
x = 2,622,982,237,012.72/1,845,669.62 - Step 6: Final answer
x = 1,421,154.80
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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.