Finding the Fourth Proportional to 1,709,723.10, 2,564,584.65 and 1,684,839.90
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Solution
The fourth proportional to 1,709,723.10, 2,564,584.65 and 1,684,839.90 is: 2,527,259.85
Step by Step Solution
- Step 1: Write the proportion equation
1,709,723.10 : 2,564,584.65 = 1,684,839.90 : x - Step 2: Convert to fraction form
1,709,723.10/2,564,584.65 = 1,684,839.90/x - Step 3: Cross multiply
1,709,723.10x = 2,564,584.65 × 1,684,839.90 - Step 4: Simplify right side
1,709,723.10x = 4,320,914,545,247.53 - Step 5: Solve for x
x = 4,320,914,545,247.53/1,709,723.10 - Step 6: Final answer
x = 2,527,259.85
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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.