Finding the Fourth Proportional to 1,539,579.97, 2,124,534.64 and 851,212
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Solution
The fourth proportional to 1,539,579.97, 2,124,534.64 and 851,212 is: 1,174,625.17
Step by Step Solution
- Step 1: Write the proportion equation
1,539,579.97 : 2,124,534.64 = 851,212 : x - Step 2: Convert to fraction form
1,539,579.97/2,124,534.64 = 851,212/x - Step 3: Cross multiply
1,539,579.97x = 2,124,534.64 × 851,212 - Step 4: Simplify right side
1,539,579.97x = 1,808,429,379,983.68 - Step 5: Solve for x
x = 1,808,429,379,983.68/1,539,579.97 - Step 6: Final answer
x = 1,174,625.17
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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.