Finding the Fourth Proportional to 3,987,040.68, 5,502,116.16 and 2,176,204.68
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Solution
The fourth proportional to 3,987,040.68, 5,502,116.16 and 2,176,204.68 is: 3,003,162.47
Step by Step Solution
- Step 1: Write the proportion equation
3,987,040.68 : 5,502,116.16 = 2,176,204.68 : x - Step 2: Convert to fraction form
3,987,040.68/5,502,116.16 = 2,176,204.68/x - Step 3: Cross multiply
3,987,040.68x = 5,502,116.16 × 2,176,204.68 - Step 4: Simplify right side
3,987,040.68x = 11,973,730,937,295.63 - Step 5: Solve for x
x = 11,973,730,937,295.63/3,987,040.68 - Step 6: Final answer
x = 3,003,162.47
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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.