Finding the Fourth Proportional to 4,198,902.60, 6,298,968.30 and 1,358,531.40
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Solution
The fourth proportional to 4,198,902.60, 6,298,968.30 and 1,358,531.40 is: 2,037,995.89
Step by Step Solution
- Step 1: Write the proportion equation
4,198,902.60 : 6,298,968.30 = 1,358,531.40 : x - Step 2: Convert to fraction form
4,198,902.60/6,298,968.30 = 1,358,531.40/x - Step 3: Cross multiply
4,198,902.60x = 6,298,968.30 × 1,358,531.40 - Step 4: Simplify right side
4,198,902.60x = 8,557,346,223,154.62 - Step 5: Solve for x
x = 8,557,346,223,154.62/4,198,902.60 - Step 6: Final answer
x = 2,037,995.89
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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.