Finding the Fourth Proportional to 1,932,870.97, 2,668,696.35 and 1,208,044.49
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Solution
The fourth proportional to 1,932,870.97, 2,668,696.35 and 1,208,044.49 is: 1,667,935.40
Step by Step Solution
- Step 1: Write the proportion equation
1,932,870.97 : 2,668,696.35 = 1,208,044.49 : x - Step 2: Convert to fraction form
1,932,870.97/2,668,696.35 = 1,208,044.49/x - Step 3: Cross multiply
1,932,870.97x = 2,668,696.35 × 1,208,044.49 - Step 4: Simplify right side
1,932,870.97x = 3,223,903,921,100.61 - Step 5: Solve for x
x = 3,223,903,921,100.61/1,932,870.97 - Step 6: Final answer
x = 1,667,935.40
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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.