Finding the Fourth Proportional to 4,653,664.32, 6,980,444.64 and 1,815,769.92
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Solution
The fourth proportional to 4,653,664.32, 6,980,444.64 and 1,815,769.92 is: 2,723,634.65
Step by Step Solution
- Step 1: Write the proportion equation
4,653,664.32 : 6,980,444.64 = 1,815,769.92 : x - Step 2: Convert to fraction form
4,653,664.32/6,980,444.64 = 1,815,769.92/x - Step 3: Cross multiply
4,653,664.32x = 6,980,444.64 × 1,815,769.92 - Step 4: Simplify right side
4,653,664.32x = 12,674,881,405,537.23 - Step 5: Solve for x
x = 12,674,881,405,537.23/4,653,664.32 - Step 6: Final answer
x = 2,723,634.65
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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.