Finding the Fourth Proportional to 2,097,254.35, 3,138,653.08 and 1,287,100.99
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Solution
The fourth proportional to 2,097,254.35, 3,138,653.08 and 1,287,100.99 is: 1,926,215.33
Step by Step Solution
- Step 1: Write the proportion equation
2,097,254.35 : 3,138,653.08 = 1,287,100.99 : x - Step 2: Convert to fraction form
2,097,254.35/3,138,653.08 = 1,287,100.99/x - Step 3: Cross multiply
2,097,254.35x = 3,138,653.08 × 1,287,100.99 - Step 4: Simplify right side
2,097,254.35x = 4,039,763,486,534.55 - Step 5: Solve for x
x = 4,039,763,486,534.55/2,097,254.35 - Step 6: Final answer
x = 1,926,215.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.