Finding the Fourth Proportional to 3,859,296.65, 5,326,156.46 and 2,140,970.75
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Solution
The fourth proportional to 3,859,296.65, 5,326,156.46 and 2,140,970.75 is: 2,954,721.09
Step by Step Solution
- Step 1: Write the proportion equation
3,859,296.65 : 5,326,156.46 = 2,140,970.75 : x - Step 2: Convert to fraction form
3,859,296.65/5,326,156.46 = 2,140,970.75/x - Step 3: Cross multiply
3,859,296.65x = 5,326,156.46 × 2,140,970.75 - Step 4: Simplify right side
3,859,296.65x = 11,403,145,190,783.54 - Step 5: Solve for x
x = 11,403,145,190,783.54/3,859,296.65 - Step 6: Final answer
x = 2,954,721.09
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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.