Finding the Fourth Proportional to 1,604,135.84, 2,213,708 and 878,977.68
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Solution
The fourth proportional to 1,604,135.84, 2,213,708 and 878,977.68 is: 1,212,989.49
Step by Step Solution
- Step 1: Write the proportion equation
1,604,135.84 : 2,213,708 = 878,977.68 : x - Step 2: Convert to fraction form
1,604,135.84/2,213,708 = 878,977.68/x - Step 3: Cross multiply
1,604,135.84x = 2,213,708 × 878,977.68 - Step 4: Simplify right side
1,604,135.84x = 1,945,799,922,037.44 - Step 5: Solve for x
x = 1,945,799,922,037.44/1,604,135.84 - Step 6: Final answer
x = 1,212,989.49
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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.