Finding the Fourth Proportional to 1,687,765.41, 2,329,130.76 and 962,649.84
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Solution
The fourth proportional to 1,687,765.41, 2,329,130.76 and 962,649.84 is: 1,328,465.05
Step by Step Solution
- Step 1: Write the proportion equation
1,687,765.41 : 2,329,130.76 = 962,649.84 : x - Step 2: Convert to fraction form
1,687,765.41/2,329,130.76 = 962,649.84/x - Step 3: Cross multiply
1,687,765.41x = 2,329,130.76 × 962,649.84 - Step 4: Simplify right side
1,687,765.41x = 2,242,137,353,453.08 - Step 5: Solve for x
x = 2,242,137,353,453.08/1,687,765.41 - Step 6: Final answer
x = 1,328,465.05
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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.