Finding the Fourth Proportional to 2,689,107.36, 3,710,920.56 and 1,465,423.84
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Solution
The fourth proportional to 2,689,107.36, 3,710,920.56 and 1,465,423.84 is: 2,022,258.96
Step by Step Solution
- Step 1: Write the proportion equation
2,689,107.36 : 3,710,920.56 = 1,465,423.84 : x - Step 2: Convert to fraction form
2,689,107.36/3,710,920.56 = 1,465,423.84/x - Step 3: Cross multiply
2,689,107.36x = 3,710,920.56 × 1,465,423.84 - Step 4: Simplify right side
2,689,107.36x = 5,438,071,456,970.15 - Step 5: Solve for x
x = 5,438,071,456,970.15/2,689,107.36 - Step 6: Final answer
x = 2,022,258.96
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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.