Finding the Fourth Proportional to 1,888,770.97, 2,606,427.89 and 1,029,312.77
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Solution
The fourth proportional to 1,888,770.97, 2,606,427.89 and 1,029,312.77 is: 1,420,410.19
Step by Step Solution
- Step 1: Write the proportion equation
1,888,770.97 : 2,606,427.89 = 1,029,312.77 : x - Step 2: Convert to fraction form
1,888,770.97/2,606,427.89 = 1,029,312.77/x - Step 3: Cross multiply
1,888,770.97x = 2,606,427.89 × 1,029,312.77 - Step 4: Simplify right side
1,888,770.97x = 2,682,829,520,350.51 - Step 5: Solve for x
x = 2,682,829,520,350.51/1,888,770.97 - Step 6: Final answer
x = 1,420,410.19
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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.