Finding the Fourth Proportional to 1,619,478.62, 2,427,285.24 and 753,748.58
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Solution
The fourth proportional to 1,619,478.62, 2,427,285.24 and 753,748.58 is: 1,129,723.34
Step by Step Solution
- Step 1: Write the proportion equation
1,619,478.62 : 2,427,285.24 = 753,748.58 : x - Step 2: Convert to fraction form
1,619,478.62/2,427,285.24 = 753,748.58/x - Step 3: Cross multiply
1,619,478.62x = 2,427,285.24 × 753,748.58 - Step 4: Simplify right side
1,619,478.62x = 1,829,562,802,904.96 - Step 5: Solve for x
x = 1,829,562,802,904.96/1,619,478.62 - Step 6: Final answer
x = 1,129,723.34
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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.