Finding the Fourth Proportional to 3,205,148.88, 4,422,937.32 and 1,754,566.44
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Solution
The fourth proportional to 3,205,148.88, 4,422,937.32 and 1,754,566.44 is: 2,421,209.65
Step by Step Solution
- Step 1: Write the proportion equation
3,205,148.88 : 4,422,937.32 = 1,754,566.44 : x - Step 2: Convert to fraction form
3,205,148.88/4,422,937.32 = 1,754,566.44/x - Step 3: Cross multiply
3,205,148.88x = 4,422,937.32 × 1,754,566.44 - Step 4: Simplify right side
3,205,148.88x = 7,760,337,387,895.54 - Step 5: Solve for x
x = 7,760,337,387,895.54/3,205,148.88 - Step 6: Final answer
x = 2,421,209.65
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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.