Finding the Fourth Proportional to 1,935,919.74, 2,671,634.50 and 1,064,821.80
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Solution
The fourth proportional to 1,935,919.74, 2,671,634.50 and 1,064,821.80 is: 1,469,489.98
Step by Step Solution
- Step 1: Write the proportion equation
1,935,919.74 : 2,671,634.50 = 1,064,821.80 : x - Step 2: Convert to fraction form
1,935,919.74/2,671,634.50 = 1,064,821.80/x - Step 3: Cross multiply
1,935,919.74x = 2,671,634.50 × 1,064,821.80 - Step 4: Simplify right side
1,935,919.74x = 2,844,814,657,232.10 - Step 5: Solve for x
x = 2,844,814,657,232.10/1,935,919.74 - Step 6: Final answer
x = 1,469,489.98
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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.