Finding the Fourth Proportional to 1,929,119.40, 2,662,055.01 and 1,069,647.84
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Solution
The fourth proportional to 1,929,119.40, 2,662,055.01 and 1,069,647.84 is: 1,476,042.07
Step by Step Solution
- Step 1: Write the proportion equation
1,929,119.40 : 2,662,055.01 = 1,069,647.84 : x - Step 2: Convert to fraction form
1,929,119.40/2,662,055.01 = 1,069,647.84/x - Step 3: Cross multiply
1,929,119.40x = 2,662,055.01 × 1,069,647.84 - Step 4: Simplify right side
1,929,119.40x = 2,847,461,391,407.68 - Step 5: Solve for x
x = 2,847,461,391,407.68/1,929,119.40 - Step 6: Final answer
x = 1,476,042.07
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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.