Finding the Fourth Proportional to 2,153,164.73, 3,230,378.58 and 636,887.55
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Solution
The fourth proportional to 2,153,164.73, 3,230,378.58 and 636,887.55 is: 955,518.12
Step by Step Solution
- Step 1: Write the proportion equation
2,153,164.73 : 3,230,378.58 = 636,887.55 : x - Step 2: Convert to fraction form
2,153,164.73/3,230,378.58 = 636,887.55/x - Step 3: Cross multiply
2,153,164.73x = 3,230,378.58 × 636,887.55 - Step 4: Simplify right side
2,153,164.73x = 2,057,387,899,388.68 - Step 5: Solve for x
x = 2,057,387,899,388.68/2,153,164.73 - Step 6: Final answer
x = 955,518.12
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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.