Finding the Fourth Proportional to 2,018,186.53, 2,785,772.30 and 1,202,646.04
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Solution
The fourth proportional to 2,018,186.53, 2,785,772.30 and 1,202,646.04 is: 1,660,053.70
Step by Step Solution
- Step 1: Write the proportion equation
2,018,186.53 : 2,785,772.30 = 1,202,646.04 : x - Step 2: Convert to fraction form
2,018,186.53/2,785,772.30 = 1,202,646.04/x - Step 3: Cross multiply
2,018,186.53x = 2,785,772.30 × 1,202,646.04 - Step 4: Simplify right side
2,018,186.53x = 3,350,298,024,936.69 - Step 5: Solve for x
x = 3,350,298,024,936.69/2,018,186.53 - Step 6: Final answer
x = 1,660,053.70
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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.