Finding the Fourth Proportional to 3,998,026.19, 5,997,034.62 and 1,302,347.06
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Solution
The fourth proportional to 3,998,026.19, 5,997,034.62 and 1,302,347.06 is: 1,953,519.07
Step by Step Solution
- Step 1: Write the proportion equation
3,998,026.19 : 5,997,034.62 = 1,302,347.06 : x - Step 2: Convert to fraction form
3,998,026.19/5,997,034.62 = 1,302,347.06/x - Step 3: Cross multiply
3,998,026.19x = 5,997,034.62 × 1,302,347.06 - Step 4: Simplify right side
3,998,026.19x = 7,810,220,376,090.04 - Step 5: Solve for x
x = 7,810,220,376,090.04/3,998,026.19 - Step 6: Final answer
x = 1,953,519.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.