Finding the Fourth Proportional to 1,975,916.75, 2,963,882.43 and 480,008.75
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Solution
The fourth proportional to 1,975,916.75, 2,963,882.43 and 480,008.75 is: 720,014.90
Step by Step Solution
- Step 1: Write the proportion equation
1,975,916.75 : 2,963,882.43 = 480,008.75 : x - Step 2: Convert to fraction form
1,975,916.75/2,963,882.43 = 480,008.75/x - Step 3: Cross multiply
1,975,916.75x = 2,963,882.43 × 480,008.75 - Step 4: Simplify right side
1,975,916.75x = 1,422,689,500,371.26 - Step 5: Solve for x
x = 1,422,689,500,371.26/1,975,916.75 - Step 6: Final answer
x = 720,014.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.