Finding the Fourth Proportional to 5,115,299.38, 7,059,113.75 and 2,823,460.67
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Solution
The fourth proportional to 5,115,299.38, 7,059,113.75 and 2,823,460.67 is: 3,896,376.07
Step by Step Solution
- Step 1: Write the proportion equation
5,115,299.38 : 7,059,113.75 = 2,823,460.67 : x - Step 2: Convert to fraction form
5,115,299.38/7,059,113.75 = 2,823,460.67/x - Step 3: Cross multiply
5,115,299.38x = 7,059,113.75 × 2,823,460.67 - Step 4: Simplify right side
5,115,299.38x = 19,931,130,062,887.65 - Step 5: Solve for x
x = 19,931,130,062,887.65/5,115,299.38 - Step 6: Final answer
x = 3,896,376.07
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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.