Finding the Fourth Proportional to 6,216,445.44, 8,578,564.92 and 3,463,129.08
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Solution
The fourth proportional to 6,216,445.44, 8,578,564.92 and 3,463,129.08 is: 4,779,045.83
Step by Step Solution
- Step 1: Write the proportion equation
6,216,445.44 : 8,578,564.92 = 3,463,129.08 : x - Step 2: Convert to fraction form
6,216,445.44/8,578,564.92 = 3,463,129.08/x - Step 3: Cross multiply
6,216,445.44x = 8,578,564.92 × 3,463,129.08 - Step 4: Simplify right side
6,216,445.44x = 29,708,677,639,119.88 - Step 5: Solve for x
x = 29,708,677,639,119.88/6,216,445.44 - Step 6: Final answer
x = 4,779,045.83
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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.