Finding the Fourth Proportional to 1,960,965.09, 2,706,426.41 and 1,197,459.09
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Solution
The fourth proportional to 1,960,965.09, 2,706,426.41 and 1,197,459.09 is: 1,652,673.43
Step by Step Solution
- Step 1: Write the proportion equation
1,960,965.09 : 2,706,426.41 = 1,197,459.09 : x - Step 2: Convert to fraction form
1,960,965.09/2,706,426.41 = 1,197,459.09/x - Step 3: Cross multiply
1,960,965.09x = 2,706,426.41 × 1,197,459.09 - Step 4: Simplify right side
1,960,965.09x = 3,240,834,900,083.27 - Step 5: Solve for x
x = 3,240,834,900,083.27/1,960,965.09 - Step 6: Final answer
x = 1,652,673.43
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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.