Finding the Fourth Proportional to 4,138,469.08, 6,207,965.94 and 1,298,693.32
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Solution
The fourth proportional to 4,138,469.08, 6,207,965.94 and 1,298,693.32 is: 1,948,122.30
Step by Step Solution
- Step 1: Write the proportion equation
4,138,469.08 : 6,207,965.94 = 1,298,693.32 : x - Step 2: Convert to fraction form
4,138,469.08/6,207,965.94 = 1,298,693.32/x - Step 3: Cross multiply
4,138,469.08x = 6,207,965.94 × 1,298,693.32 - Step 4: Simplify right side
4,138,469.08x = 8,062,243,897,065.52 - Step 5: Solve for x
x = 8,062,243,897,065.52/4,138,469.08 - Step 6: Final answer
x = 1,948,122.30
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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.