Finding the Fourth Proportional to 2,428,242.90, 3,350,980.08 and 1,340,515.95
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Solution
The fourth proportional to 2,428,242.90, 3,350,980.08 and 1,340,515.95 is: 1,849,914.70
Step by Step Solution
- Step 1: Write the proportion equation
2,428,242.90 : 3,350,980.08 = 1,340,515.95 : x - Step 2: Convert to fraction form
2,428,242.90/3,350,980.08 = 1,340,515.95/x - Step 3: Cross multiply
2,428,242.90x = 3,350,980.08 × 1,340,515.95 - Step 4: Simplify right side
2,428,242.90x = 4,492,042,245,372.28 - Step 5: Solve for x
x = 4,492,042,245,372.28/2,428,242.90 - Step 6: Final answer
x = 1,849,914.70
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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.