Finding the Fourth Proportional to 1,221,037.99, 1,831,821.47 and 368,038.28
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Solution
The fourth proportional to 1,221,037.99, 1,831,821.47 and 368,038.28 is: 552,137.13
Step by Step Solution
- Step 1: Write the proportion equation
1,221,037.99 : 1,831,821.47 = 368,038.28 : x - Step 2: Convert to fraction form
1,221,037.99/1,831,821.47 = 368,038.28/x - Step 3: Cross multiply
1,221,037.99x = 1,831,821.47 × 368,038.28 - Step 4: Simplify right side
1,221,037.99x = 674,180,412,086.57 - Step 5: Solve for x
x = 674,180,412,086.57/1,221,037.99 - Step 6: Final answer
x = 552,137.13
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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.