Finding the Fourth Proportional to 5,316,351.12, 7,974,141.12 and 2,077,279.92
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Solution
The fourth proportional to 5,316,351.12, 7,974,141.12 and 2,077,279.92 is: 3,115,769.23
Step by Step Solution
- Step 1: Write the proportion equation
5,316,351.12 : 7,974,141.12 = 2,077,279.92 : x - Step 2: Convert to fraction form
5,316,351.12/7,974,141.12 = 2,077,279.92/x - Step 3: Cross multiply
5,316,351.12x = 7,974,141.12 × 2,077,279.92 - Step 4: Simplify right side
5,316,351.12x = 16,564,523,227,822.31 - Step 5: Solve for x
x = 16,564,523,227,822.31/5,316,351.12 - Step 6: Final answer
x = 3,115,769.23
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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.