Finding the Fourth Proportional to 1,754,253.16, 2,420,843.12 and 979,894.78
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Solution
The fourth proportional to 1,754,253.16, 2,420,843.12 and 979,894.78 is: 1,352,240.14
Step by Step Solution
- Step 1: Write the proportion equation
1,754,253.16 : 2,420,843.12 = 979,894.78 : x - Step 2: Convert to fraction form
1,754,253.16/2,420,843.12 = 979,894.78/x - Step 3: Cross multiply
1,754,253.16x = 2,420,843.12 × 979,894.78 - Step 4: Simplify right side
1,754,253.16x = 2,372,171,536,486.91 - Step 5: Solve for x
x = 2,372,171,536,486.91/1,754,253.16 - Step 6: Final answer
x = 1,352,240.14
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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.