Finding the Fourth Proportional to 2,578,455.34, 3,553,764.30 and 1,888,661.68
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Solution
The fourth proportional to 2,578,455.34, 3,553,764.30 and 1,888,661.68 is: 2,603,053.99
Step by Step Solution
- Step 1: Write the proportion equation
2,578,455.34 : 3,553,764.30 = 1,888,661.68 : x - Step 2: Convert to fraction form
2,578,455.34/3,553,764.30 = 1,888,661.68/x - Step 3: Cross multiply
2,578,455.34x = 3,553,764.30 × 1,888,661.68 - Step 4: Simplify right side
2,578,455.34x = 6,711,858,453,162.02 - Step 5: Solve for x
x = 6,711,858,453,162.02/2,578,455.34 - Step 6: Final answer
x = 2,603,053.99
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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.