Finding the Fourth Proportional to 2,153,122.07, 3,230,314.71 and 636,845
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Solution
The fourth proportional to 2,153,122.07, 3,230,314.71 and 636,845 is: 955,454.31
Step by Step Solution
- Step 1: Write the proportion equation
2,153,122.07 : 3,230,314.71 = 636,845 : x - Step 2: Convert to fraction form
2,153,122.07/3,230,314.71 = 636,845/x - Step 3: Cross multiply
2,153,122.07x = 3,230,314.71 × 636,845 - Step 4: Simplify right side
2,153,122.07x = 2,057,209,771,489.95 - Step 5: Solve for x
x = 2,057,209,771,489.95/2,153,122.07 - Step 6: Final answer
x = 955,454.31
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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.