Finding the Fourth Proportional to 4,839,980.50, 6,679,563.57 and 2,775,188.19
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Solution
The fourth proportional to 4,839,980.50, 6,679,563.57 and 2,775,188.19 is: 3,829,983.60
Step by Step Solution
- Step 1: Write the proportion equation
4,839,980.50 : 6,679,563.57 = 2,775,188.19 : x - Step 2: Convert to fraction form
4,839,980.50/6,679,563.57 = 2,775,188.19/x - Step 3: Cross multiply
4,839,980.50x = 6,679,563.57 × 2,775,188.19 - Step 4: Simplify right side
4,839,980.50x = 18,537,045,933,818.24 - Step 5: Solve for x
x = 18,537,045,933,818.24/4,839,980.50 - Step 6: Final answer
x = 3,829,983.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.