Finding the Fourth Proportional to 5,236,962.98, 7,226,373.96 and 2,913,306.21
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Solution
The fourth proportional to 5,236,962.98, 7,226,373.96 and 2,913,306.21 is: 4,020,009.35
Step by Step Solution
- Step 1: Write the proportion equation
5,236,962.98 : 7,226,373.96 = 2,913,306.21 : x - Step 2: Convert to fraction form
5,236,962.98/7,226,373.96 = 2,913,306.21/x - Step 3: Cross multiply
5,236,962.98x = 7,226,373.96 × 2,913,306.21 - Step 4: Simplify right side
5,236,962.98x = 21,052,640,133,450.29 - Step 5: Solve for x
x = 21,052,640,133,450.29/5,236,962.98 - Step 6: Final answer
x = 4,020,009.35
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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.