Finding the Fourth Proportional to 2,485,598.81, 3,430,093.84 and 1,397,870.06
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Solution
The fourth proportional to 2,485,598.81, 3,430,093.84 and 1,397,870.06 is: 1,929,042.39
Step by Step Solution
- Step 1: Write the proportion equation
2,485,598.81 : 3,430,093.84 = 1,397,870.06 : x - Step 2: Convert to fraction form
2,485,598.81/3,430,093.84 = 1,397,870.06/x - Step 3: Cross multiply
2,485,598.81x = 3,430,093.84 × 1,397,870.06 - Step 4: Simplify right side
2,485,598.81x = 4,794,825,461,281.29 - Step 5: Solve for x
x = 4,794,825,461,281.29/2,485,598.81 - Step 6: Final answer
x = 1,929,042.39
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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.