Finding the Fourth Proportional to 5,115,301.63, 7,059,116.86 and 2,823,462.92
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Solution
The fourth proportional to 5,115,301.63, 7,059,116.86 and 2,823,462.92 is: 3,896,379.17
Step by Step Solution
- Step 1: Write the proportion equation
5,115,301.63 : 7,059,116.86 = 2,823,462.92 : x - Step 2: Convert to fraction form
5,115,301.63/7,059,116.86 = 2,823,462.92/x - Step 3: Cross multiply
5,115,301.63x = 7,059,116.86 × 2,823,462.92 - Step 4: Simplify right side
5,115,301.63x = 19,931,154,712,745.96 - Step 5: Solve for x
x = 19,931,154,712,745.96/5,115,301.63 - Step 6: Final answer
x = 3,896,379.17
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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.