Finding the Fourth Proportional to 2,974,266.19, 4,104,513.30 and 1,616,139.19
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Solution
The fourth proportional to 2,974,266.19, 4,104,513.30 and 1,616,139.19 is: 2,230,286.19
Step by Step Solution
- Step 1: Write the proportion equation
2,974,266.19 : 4,104,513.30 = 1,616,139.19 : x - Step 2: Convert to fraction form
2,974,266.19/4,104,513.30 = 1,616,139.19/x - Step 3: Cross multiply
2,974,266.19x = 4,104,513.30 × 1,616,139.19 - Step 4: Simplify right side
2,974,266.19x = 6,633,464,800,006.23 - Step 5: Solve for x
x = 6,633,464,800,006.23/2,974,266.19 - Step 6: Final answer
x = 2,230,286.19
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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.