Finding the Fourth Proportional to 4,211,856.64, 6,318,572.28 and 1,687,708.72
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Solution
The fourth proportional to 4,211,856.64, 6,318,572.28 and 1,687,708.72 is: 2,531,878.56
Step by Step Solution
- Step 1: Write the proportion equation
4,211,856.64 : 6,318,572.28 = 1,687,708.72 : x - Step 2: Convert to fraction form
4,211,856.64/6,318,572.28 = 1,687,708.72/x - Step 3: Cross multiply
4,211,856.64x = 6,318,572.28 × 1,687,708.72 - Step 4: Simplify right side
4,211,856.64x = 10,663,909,494,874.88 - Step 5: Solve for x
x = 10,663,909,494,874.88/4,211,856.64 - Step 6: Final answer
x = 2,531,878.56
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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.