Finding the Fourth Proportional to 1,652,968.62, 2,478,489.56 and 640,908.24
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Solution
The fourth proportional to 1,652,968.62, 2,478,489.56 and 640,908.24 is: 960,988.83
Step by Step Solution
- Step 1: Write the proportion equation
1,652,968.62 : 2,478,489.56 = 640,908.24 : x - Step 2: Convert to fraction form
1,652,968.62/2,478,489.56 = 640,908.24/x - Step 3: Cross multiply
1,652,968.62x = 2,478,489.56 × 640,908.24 - Step 4: Simplify right side
1,652,968.62x = 1,588,484,378,553.43 - Step 5: Solve for x
x = 1,588,484,378,553.43/1,652,968.62 - Step 6: Final answer
x = 960,988.83
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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.