Finding the Fourth Proportional to 3,837,148.80, 5,295,282.30 and 2,118,283.44
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Solution
The fourth proportional to 3,837,148.80, 5,295,282.30 and 2,118,283.44 is: 2,923,240.51
Step by Step Solution
- Step 1: Write the proportion equation
3,837,148.80 : 5,295,282.30 = 2,118,283.44 : x - Step 2: Convert to fraction form
3,837,148.80/5,295,282.30 = 2,118,283.44/x - Step 3: Cross multiply
3,837,148.80x = 5,295,282.30 × 2,118,283.44 - Step 4: Simplify right side
3,837,148.80x = 11,216,908,806,215.11 - Step 5: Solve for x
x = 11,216,908,806,215.11/3,837,148.80 - Step 6: Final answer
x = 2,923,240.51
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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.