Finding the Fourth Proportional to 2,161,250.28, 3,241,875.36 and 813,715.20
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Solution
The fourth proportional to 2,161,250.28, 3,241,875.36 and 813,715.20 is: 1,220,572.78
Step by Step Solution
- Step 1: Write the proportion equation
2,161,250.28 : 3,241,875.36 = 813,715.20 : x - Step 2: Convert to fraction form
2,161,250.28/3,241,875.36 = 813,715.20/x - Step 3: Cross multiply
2,161,250.28x = 3,241,875.36 × 813,715.20 - Step 4: Simplify right side
2,161,250.28x = 2,637,963,256,937.47 - Step 5: Solve for x
x = 2,637,963,256,937.47/2,161,250.28 - Step 6: Final answer
x = 1,220,572.78
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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.