Finding the Fourth Proportional to 1,845,087.76, 2,546,214.02 and 1,029,290.79
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Solution
The fourth proportional to 1,845,087.76, 2,546,214.02 and 1,029,290.79 is: 1,420,417.34
Step by Step Solution
- Step 1: Write the proportion equation
1,845,087.76 : 2,546,214.02 = 1,029,290.79 : x - Step 2: Convert to fraction form
1,845,087.76/2,546,214.02 = 1,029,290.79/x - Step 3: Cross multiply
1,845,087.76x = 2,546,214.02 × 1,029,290.79 - Step 4: Simplify right side
1,845,087.76x = 2,620,794,640,154.88 - Step 5: Solve for x
x = 2,620,794,640,154.88/1,845,087.76 - Step 6: Final answer
x = 1,420,417.34
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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.