Finding the Fourth Proportional to 2,143,532.36, 2,958,062.99 and 1,176,679.10
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Solution
The fourth proportional to 2,143,532.36, 2,958,062.99 and 1,176,679.10 is: 1,623,810.75
Step by Step Solution
- Step 1: Write the proportion equation
2,143,532.36 : 2,958,062.99 = 1,176,679.10 : x - Step 2: Convert to fraction form
2,143,532.36/2,958,062.99 = 1,176,679.10/x - Step 3: Cross multiply
2,143,532.36x = 2,958,062.99 × 1,176,679.10 - Step 4: Simplify right side
2,143,532.36x = 3,480,690,898,328.27 - Step 5: Solve for x
x = 3,480,690,898,328.27/2,143,532.36 - Step 6: Final answer
x = 1,623,810.75
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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.