Finding the Fourth Proportional to 3,536,830.60, 4,881,343.07 and 1,988,219.81
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Solution
The fourth proportional to 3,536,830.60, 4,881,343.07 and 1,988,219.81 is: 2,744,033.88
Step by Step Solution
- Step 1: Write the proportion equation
3,536,830.60 : 4,881,343.07 = 1,988,219.81 : x - Step 2: Convert to fraction form
3,536,830.60/4,881,343.07 = 1,988,219.81/x - Step 3: Cross multiply
3,536,830.60x = 4,881,343.07 × 1,988,219.81 - Step 4: Simplify right side
3,536,830.60x = 9,705,182,991,180.22 - Step 5: Solve for x
x = 9,705,182,991,180.22/3,536,830.60 - Step 6: Final answer
x = 2,744,033.88
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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.