Finding the Fourth Proportional to 2,337,285.68, 3,225,388.88 and 1,318,785.20
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Solution
The fourth proportional to 2,337,285.68, 3,225,388.88 and 1,318,785.20 is: 1,819,886.70
Step by Step Solution
- Step 1: Write the proportion equation
2,337,285.68 : 3,225,388.88 = 1,318,785.20 : x - Step 2: Convert to fraction form
2,337,285.68/3,225,388.88 = 1,318,785.20/x - Step 3: Cross multiply
2,337,285.68x = 3,225,388.88 × 1,318,785.20 - Step 4: Simplify right side
2,337,285.68x = 4,253,595,119,188.58 - Step 5: Solve for x
x = 4,253,595,119,188.58/2,337,285.68 - Step 6: Final answer
x = 1,819,886.70
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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.