Finding the Fourth Proportional to 5,375,216.12, 7,417,842.18 and 2,927,836.76
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Solution
The fourth proportional to 5,375,216.12, 7,417,842.18 and 2,927,836.76 is: 4,040,438.66
Step by Step Solution
- Step 1: Write the proportion equation
5,375,216.12 : 7,417,842.18 = 2,927,836.76 : x - Step 2: Convert to fraction form
5,375,216.12/7,417,842.18 = 2,927,836.76/x - Step 3: Cross multiply
5,375,216.12x = 7,417,842.18 × 2,927,836.76 - Step 4: Simplify right side
5,375,216.12x = 21,718,231,014,482.54 - Step 5: Solve for x
x = 21,718,231,014,482.54/5,375,216.12 - Step 6: Final answer
x = 4,040,438.66
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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.