Finding the Fourth Proportional to 3,972,235.71, 5,487,219.14 and 3,824,760.63
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Solution
The fourth proportional to 3,972,235.71, 5,487,219.14 and 3,824,760.63 is: 5,283,498.07
Step by Step Solution
- Step 1: Write the proportion equation
3,972,235.71 : 5,487,219.14 = 3,824,760.63 : x - Step 2: Convert to fraction form
3,972,235.71/5,487,219.14 = 3,824,760.63/x - Step 3: Cross multiply
3,972,235.71x = 5,487,219.14 × 3,824,760.63 - Step 4: Simplify right side
3,972,235.71x = 20,987,299,715,730.65 - Step 5: Solve for x
x = 20,987,299,715,730.65/3,972,235.71 - Step 6: Final answer
x = 5,283,498.07
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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.