Finding the Fourth Proportional to 1,960,968.09, 2,706,430.56 and 1,197,462.09
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Solution
The fourth proportional to 1,960,968.09, 2,706,430.56 and 1,197,462.09 is: 1,652,677.58
Step by Step Solution
- Step 1: Write the proportion equation
1,960,968.09 : 2,706,430.56 = 1,197,462.09 : x - Step 2: Convert to fraction form
1,960,968.09/2,706,430.56 = 1,197,462.09/x - Step 3: Cross multiply
1,960,968.09x = 2,706,430.56 × 1,197,462.09 - Step 4: Simplify right side
1,960,968.09x = 3,240,847,994,817.47 - Step 5: Solve for x
x = 3,240,847,994,817.47/1,960,968.09 - Step 6: Final answer
x = 1,652,677.58
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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.