Finding the Fourth Proportional to 4,270,765.19, 6,404,829.55 and 1,238,354.57
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Solution
The fourth proportional to 4,270,765.19, 6,404,829.55 and 1,238,354.57 is: 1,857,149.62
Step by Step Solution
- Step 1: Write the proportion equation
4,270,765.19 : 6,404,829.55 = 1,238,354.57 : x - Step 2: Convert to fraction form
4,270,765.19/6,404,829.55 = 1,238,354.57/x - Step 3: Cross multiply
4,270,765.19x = 6,404,829.55 × 1,238,354.57 - Step 4: Simplify right side
4,270,765.19x = 7,931,449,956,229.73 - Step 5: Solve for x
x = 7,931,449,956,229.73/4,270,765.19 - Step 6: Final answer
x = 1,857,149.62
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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.