Finding the Fourth Proportional to 2,545,732.68, 3,513,201.48 and 1,399,900.20
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Solution
The fourth proportional to 2,545,732.68, 3,513,201.48 and 1,399,900.20 is: 1,931,911.98
Step by Step Solution
- Step 1: Write the proportion equation
2,545,732.68 : 3,513,201.48 = 1,399,900.20 : x - Step 2: Convert to fraction form
2,545,732.68/3,513,201.48 = 1,399,900.20/x - Step 3: Cross multiply
2,545,732.68x = 3,513,201.48 × 1,399,900.20 - Step 4: Simplify right side
2,545,732.68x = 4,918,131,454,492.30 - Step 5: Solve for x
x = 4,918,131,454,492.30/2,545,732.68 - Step 6: Final answer
x = 1,931,911.98
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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.