Finding the Fourth Proportional to 1,680,282.78, 2,318,928.96 and 955,358.70
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Solution
The fourth proportional to 1,680,282.78, 2,318,928.96 and 955,358.70 is: 1,318,473.88
Step by Step Solution
- Step 1: Write the proportion equation
1,680,282.78 : 2,318,928.96 = 955,358.70 : x - Step 2: Convert to fraction form
1,680,282.78/2,318,928.96 = 955,358.70/x - Step 3: Cross multiply
1,680,282.78x = 2,318,928.96 × 955,358.70 - Step 4: Simplify right side
1,680,282.78x = 2,215,408,956,617.95 - Step 5: Solve for x
x = 2,215,408,956,617.95/1,680,282.78 - Step 6: Final answer
x = 1,318,473.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.