Finding the Fourth Proportional to 6,474,832.13, 8,935,289.73 and 3,574,216.10
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Solution
The fourth proportional to 6,474,832.13, 8,935,289.73 and 3,574,216.10 is: 4,932,430.02
Step by Step Solution
- Step 1: Write the proportion equation
6,474,832.13 : 8,935,289.73 = 3,574,216.10 : x - Step 2: Convert to fraction form
6,474,832.13/8,935,289.73 = 3,574,216.10/x - Step 3: Cross multiply
6,474,832.13x = 8,935,289.73 × 3,574,216.10 - Step 4: Simplify right side
6,474,832.13x = 31,936,656,366,454.21 - Step 5: Solve for x
x = 31,936,656,366,454.21/6,474,832.13 - Step 6: Final answer
x = 4,932,430.02
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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.