Finding the Fourth Proportional to 4,157,003.20, 6,235,699.20 and 1,317,337.60
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Solution
The fourth proportional to 4,157,003.20, 6,235,699.20 and 1,317,337.60 is: 1,976,068.00
Step by Step Solution
- Step 1: Write the proportion equation
4,157,003.20 : 6,235,699.20 = 1,317,337.60 : x - Step 2: Convert to fraction form
4,157,003.20/6,235,699.20 = 1,317,337.60/x - Step 3: Cross multiply
4,157,003.20x = 6,235,699.20 × 1,317,337.60 - Step 4: Simplify right side
4,157,003.20x = 8,214,521,018,449.92 - Step 5: Solve for x
x = 8,214,521,018,449.92/4,157,003.20 - Step 6: Final answer
x = 1,976,068.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.