Finding the Fourth Proportional to 1,720,563.12, 2,566,325.16 and 1,494,143.28
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Solution
The fourth proportional to 1,720,563.12, 2,566,325.16 and 1,494,143.28 is: 2,228,606.12
Step by Step Solution
- Step 1: Write the proportion equation
1,720,563.12 : 2,566,325.16 = 1,494,143.28 : x - Step 2: Convert to fraction form
1,720,563.12/2,566,325.16 = 1,494,143.28/x - Step 3: Cross multiply
1,720,563.12x = 2,566,325.16 × 1,494,143.28 - Step 4: Simplify right side
1,720,563.12x = 3,834,457,492,108.93 - Step 5: Solve for x
x = 3,834,457,492,108.93/1,720,563.12 - Step 6: Final answer
x = 2,228,606.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.