Finding the Fourth Proportional to 5,425,864.70, 8,140,093.05 and 1,639,384.70
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Solution
The fourth proportional to 5,425,864.70, 8,140,093.05 and 1,639,384.70 is: 2,459,468.63
Step by Step Solution
- Step 1: Write the proportion equation
5,425,864.70 : 8,140,093.05 = 1,639,384.70 : x - Step 2: Convert to fraction form
5,425,864.70/8,140,093.05 = 1,639,384.70/x - Step 3: Cross multiply
5,425,864.70x = 8,140,093.05 × 1,639,384.70 - Step 4: Simplify right side
5,425,864.70x = 13,344,744,002,746.33 - Step 5: Solve for x
x = 13,344,744,002,746.33/5,425,864.70 - Step 6: Final answer
x = 2,459,468.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.