Finding the Fourth Proportional to 4,219,660.16, 5,823,116.68 and 2,285,918.56
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Solution
The fourth proportional to 4,219,660.16, 5,823,116.68 and 2,285,918.56 is: 3,154,559.84
Step by Step Solution
- Step 1: Write the proportion equation
4,219,660.16 : 5,823,116.68 = 2,285,918.56 : x - Step 2: Convert to fraction form
4,219,660.16/5,823,116.68 = 2,285,918.56/x - Step 3: Cross multiply
4,219,660.16x = 5,823,116.68 × 2,285,918.56 - Step 4: Simplify right side
4,219,660.16x = 13,311,170,495,857.58 - Step 5: Solve for x
x = 13,311,170,495,857.58/4,219,660.16 - Step 6: Final answer
x = 3,154,559.84
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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.