Finding the Fourth Proportional to 5,115,254.64, 7,059,051.99 and 2,823,415.92
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Solution
The fourth proportional to 5,115,254.64, 7,059,051.99 and 2,823,415.92 is: 3,896,314.29
Step by Step Solution
- Step 1: Write the proportion equation
5,115,254.64 : 7,059,051.99 = 2,823,415.92 : x - Step 2: Convert to fraction form
5,115,254.64/7,059,051.99 = 2,823,415.92/x - Step 3: Cross multiply
5,115,254.64x = 7,059,051.99 × 2,823,415.92 - Step 4: Simplify right side
5,115,254.64x = 19,930,639,768,673.68 - Step 5: Solve for x
x = 19,930,639,768,673.68/5,115,254.64 - Step 6: Final answer
x = 3,896,314.29
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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.