Finding the Fourth Proportional to 5,422,178.88, 8,127,980.16 and 2,581,528.32
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Solution
The fourth proportional to 5,422,178.88, 8,127,980.16 and 2,581,528.32 is: 3,869,774.76
Step by Step Solution
- Step 1: Write the proportion equation
5,422,178.88 : 8,127,980.16 = 2,581,528.32 : x - Step 2: Convert to fraction form
5,422,178.88/8,127,980.16 = 2,581,528.32/x - Step 3: Cross multiply
5,422,178.88x = 8,127,980.16 × 2,581,528.32 - Step 4: Simplify right side
5,422,178.88x = 20,982,610,967,438.13 - Step 5: Solve for x
x = 20,982,610,967,438.13/5,422,178.88 - Step 6: Final answer
x = 3,869,774.76
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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.