Finding the Fourth Proportional to 2,018,616.92, 2,785,907.40 and 1,234,143.14
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Solution
The fourth proportional to 2,018,616.92, 2,785,907.40 and 1,234,143.14 is: 1,703,249.62
Step by Step Solution
- Step 1: Write the proportion equation
2,018,616.92 : 2,785,907.40 = 1,234,143.14 : x - Step 2: Convert to fraction form
2,018,616.92/2,785,907.40 = 1,234,143.14/x - Step 3: Cross multiply
2,018,616.92x = 2,785,907.40 × 1,234,143.14 - Step 4: Simplify right side
2,018,616.92x = 3,438,208,506,385.24 - Step 5: Solve for x
x = 3,438,208,506,385.24/2,018,616.92 - Step 6: Final answer
x = 1,703,249.62
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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.