Finding the Fourth Proportional to 1,560,420.55, 2,339,966.19 and 613,126.75
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Solution
The fourth proportional to 1,560,420.55, 2,339,966.19 and 613,126.75 is: 919,428.97
Step by Step Solution
- Step 1: Write the proportion equation
1,560,420.55 : 2,339,966.19 = 613,126.75 : x - Step 2: Convert to fraction form
1,560,420.55/2,339,966.19 = 613,126.75/x - Step 3: Cross multiply
1,560,420.55x = 2,339,966.19 × 613,126.75 - Step 4: Simplify right side
1,560,420.55x = 1,434,695,865,184.58 - Step 5: Solve for x
x = 1,434,695,865,184.58/1,560,420.55 - Step 6: Final answer
x = 919,428.97
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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.