Finding the Fourth Proportional to 2,183,616.18, 3,013,359.84 and 1,216,787.22
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Solution
The fourth proportional to 2,183,616.18, 3,013,359.84 and 1,216,787.22 is: 1,679,149.37
Step by Step Solution
- Step 1: Write the proportion equation
2,183,616.18 : 3,013,359.84 = 1,216,787.22 : x - Step 2: Convert to fraction form
2,183,616.18/3,013,359.84 = 1,216,787.22/x - Step 3: Cross multiply
2,183,616.18x = 3,013,359.84 × 1,216,787.22 - Step 4: Simplify right side
2,183,616.18x = 3,666,617,742,573.24 - Step 5: Solve for x
x = 3,666,617,742,573.24/2,183,616.18 - Step 6: Final answer
x = 1,679,149.37
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1.5x scale
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.