Finding the Fourth Proportional to 2,136,765.13, 2,948,623.91 and 1,169,710.27
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Solution
The fourth proportional to 2,136,765.13, 2,948,623.91 and 1,169,710.27 is: 1,614,138.88
Step by Step Solution
- Step 1: Write the proportion equation
2,136,765.13 : 2,948,623.91 = 1,169,710.27 : x - Step 2: Convert to fraction form
2,136,765.13/2,948,623.91 = 1,169,710.27/x - Step 3: Cross multiply
2,136,765.13x = 2,948,623.91 × 1,169,710.27 - Step 4: Simplify right side
2,136,765.13x = 3,449,035,664,046.00 - Step 5: Solve for x
x = 3,449,035,664,046.00/2,136,765.13 - Step 6: Final answer
x = 1,614,138.88
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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.