Finding the Fourth Proportional to 2,154,010.26, 2,972,482.92 and 1,173,980.23
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Solution
The fourth proportional to 2,154,010.26, 2,972,482.92 and 1,173,980.23 is: 1,620,064.79
Step by Step Solution
- Step 1: Write the proportion equation
2,154,010.26 : 2,972,482.92 = 1,173,980.23 : x - Step 2: Convert to fraction form
2,154,010.26/2,972,482.92 = 1,173,980.23/x - Step 3: Cross multiply
2,154,010.26x = 2,972,482.92 × 1,173,980.23 - Step 4: Simplify right side
2,154,010.26x = 3,489,636,182,092.67 - Step 5: Solve for x
x = 3,489,636,182,092.67/2,154,010.26 - Step 6: Final answer
x = 1,620,064.79
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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.