Finding the Fourth Proportional to 3,639,642.48, 5,455,036.20 and 2,574,991.44
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Solution
The fourth proportional to 3,639,642.48, 5,455,036.20 and 2,574,991.44 is: 3,859,354.76
Step by Step Solution
- Step 1: Write the proportion equation
3,639,642.48 : 5,455,036.20 = 2,574,991.44 : x - Step 2: Convert to fraction form
3,639,642.48/5,455,036.20 = 2,574,991.44/x - Step 3: Cross multiply
3,639,642.48x = 5,455,036.20 × 2,574,991.44 - Step 4: Simplify right side
3,639,642.48x = 14,046,671,519,890.13 - Step 5: Solve for x
x = 14,046,671,519,890.13/3,639,642.48 - Step 6: Final answer
x = 3,859,354.76
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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.