Finding the Fourth Proportional to 4,347,214.80, 6,518,230.20 and 2,665,525.20
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Solution
The fourth proportional to 4,347,214.80, 6,518,230.20 and 2,665,525.20 is: 3,996,698.50
Step by Step Solution
- Step 1: Write the proportion equation
4,347,214.80 : 6,518,230.20 = 2,665,525.20 : x - Step 2: Convert to fraction form
4,347,214.80/6,518,230.20 = 2,665,525.20/x - Step 3: Cross multiply
4,347,214.80x = 6,518,230.20 × 2,665,525.20 - Step 4: Simplify right side
4,347,214.80x = 17,374,506,857,501.04 - Step 5: Solve for x
x = 17,374,506,857,501.04/4,347,214.80 - Step 6: Final answer
x = 3,996,698.50
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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.