Finding the Fourth Proportional to 2,156,960.87, 2,977,684.65 and 1,341,427.29
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Solution
The fourth proportional to 2,156,960.87, 2,977,684.65 and 1,341,427.29 is: 1,851,840.48
Step by Step Solution
- Step 1: Write the proportion equation
2,156,960.87 : 2,977,684.65 = 1,341,427.29 : x - Step 2: Convert to fraction form
2,156,960.87/2,977,684.65 = 1,341,427.29/x - Step 3: Cross multiply
2,156,960.87x = 2,977,684.65 × 1,341,427.29 - Step 4: Simplify right side
2,156,960.87x = 3,994,347,448,515.29 - Step 5: Solve for x
x = 3,994,347,448,515.29/2,156,960.87 - Step 6: Final answer
x = 1,851,840.48
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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.