Finding the Fourth Proportional to 3,174,233.76, 4,377,910.14 and 2,087,621.06
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Solution
The fourth proportional to 3,174,233.76, 4,377,910.14 and 2,087,621.06 is: 2,879,251.52
Step by Step Solution
- Step 1: Write the proportion equation
3,174,233.76 : 4,377,910.14 = 2,087,621.06 : x - Step 2: Convert to fraction form
3,174,233.76/4,377,910.14 = 2,087,621.06/x - Step 3: Cross multiply
3,174,233.76x = 4,377,910.14 × 2,087,621.06 - Step 4: Simplify right side
3,174,233.76x = 9,139,417,385,162.00 - Step 5: Solve for x
x = 9,139,417,385,162.00/3,174,233.76 - Step 6: Final answer
x = 2,879,251.52
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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.