Finding the Fourth Proportional to 5,442,348.12, 8,164,703.14 and 1,655,732.58
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Solution
The fourth proportional to 5,442,348.12, 8,164,703.14 and 1,655,732.58 is: 2,483,958.15
Step by Step Solution
- Step 1: Write the proportion equation
5,442,348.12 : 8,164,703.14 = 1,655,732.58 : x - Step 2: Convert to fraction form
5,442,348.12/8,164,703.14 = 1,655,732.58/x - Step 3: Cross multiply
5,442,348.12x = 8,164,703.14 × 1,655,732.58 - Step 4: Simplify right side
5,442,348.12x = 13,518,564,994,926.30 - Step 5: Solve for x
x = 13,518,564,994,926.30/5,442,348.12 - Step 6: Final answer
x = 2,483,958.15
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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.