Finding the Fourth Proportional to 1,907,197.29, 2,634,263.51 and 1,425,901.77
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Solution
The fourth proportional to 1,907,197.29, 2,634,263.51 and 1,425,901.77 is: 1,969,487.38
Step by Step Solution
- Step 1: Write the proportion equation
1,907,197.29 : 2,634,263.51 = 1,425,901.77 : x - Step 2: Convert to fraction form
1,907,197.29/2,634,263.51 = 1,425,901.77/x - Step 3: Cross multiply
1,907,197.29x = 2,634,263.51 × 1,425,901.77 - Step 4: Simplify right side
1,907,197.29x = 3,756,200,994,425.90 - Step 5: Solve for x
x = 3,756,200,994,425.90/1,907,197.29 - Step 6: Final answer
x = 1,969,487.38
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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.