Finding the Fourth Proportional to 2,183,966.84, 3,013,741.66 and 1,203,862.92
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Solution
The fourth proportional to 2,183,966.84, 3,013,741.66 and 1,203,862.92 is: 1,661,257.75
Step by Step Solution
- Step 1: Write the proportion equation
2,183,966.84 : 3,013,741.66 = 1,203,862.92 : x - Step 2: Convert to fraction form
2,183,966.84/3,013,741.66 = 1,203,862.92/x - Step 3: Cross multiply
2,183,966.84x = 3,013,741.66 × 1,203,862.92 - Step 4: Simplify right side
2,183,966.84x = 3,628,131,834,933.25 - Step 5: Solve for x
x = 3,628,131,834,933.25/2,183,966.84 - Step 6: Final answer
x = 1,661,257.75
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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.