Finding the Fourth Proportional to 4,484,234.80, 6,726,352.20 and 1,643,977.90
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Solution
The fourth proportional to 4,484,234.80, 6,726,352.20 and 1,643,977.90 is: 2,465,966.85
Step by Step Solution
- Step 1: Write the proportion equation
4,484,234.80 : 6,726,352.20 = 1,643,977.90 : x - Step 2: Convert to fraction form
4,484,234.80/6,726,352.20 = 1,643,977.90/x - Step 3: Cross multiply
4,484,234.80x = 6,726,352.20 × 1,643,977.90 - Step 4: Simplify right side
4,484,234.80x = 11,057,974,364,416.38 - Step 5: Solve for x
x = 11,057,974,364,416.38/4,484,234.80 - Step 6: Final answer
x = 2,465,966.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.