Finding the Fourth Proportional to 2,822,285.64, 3,894,781.86 and 1,533,136.44
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Solution
The fourth proportional to 2,822,285.64, 3,894,781.86 and 1,533,136.44 is: 2,115,743.32
Step by Step Solution
- Step 1: Write the proportion equation
2,822,285.64 : 3,894,781.86 = 1,533,136.44 : x - Step 2: Convert to fraction form
2,822,285.64/3,894,781.86 = 1,533,136.44/x - Step 3: Cross multiply
2,822,285.64x = 3,894,781.86 × 1,533,136.44 - Step 4: Simplify right side
2,822,285.64x = 5,971,231,995,416.98 - Step 5: Solve for x
x = 5,971,231,995,416.98/2,822,285.64 - Step 6: Final answer
x = 2,115,743.32
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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.