Finding the Fourth Proportional to 2,181,165.08, 3,271,869.66 and 664,897.28
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Solution
The fourth proportional to 2,181,165.08, 3,271,869.66 and 664,897.28 is: 997,383.12
Step by Step Solution
- Step 1: Write the proportion equation
2,181,165.08 : 3,271,869.66 = 664,897.28 : x - Step 2: Convert to fraction form
2,181,165.08/3,271,869.66 = 664,897.28/x - Step 3: Cross multiply
2,181,165.08x = 3,271,869.66 × 664,897.28 - Step 4: Simplify right side
2,181,165.08x = 2,175,457,237,448.53 - Step 5: Solve for x
x = 2,175,457,237,448.53/2,181,165.08 - Step 6: Final answer
x = 997,383.12
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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.