Finding the Fourth Proportional to 5,173,206.24, 7,139,026.72 and 2,999,009.92
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Solution
The fourth proportional to 5,173,206.24, 7,139,026.72 and 2,999,009.92 is: 4,138,634.91
Step by Step Solution
- Step 1: Write the proportion equation
5,173,206.24 : 7,139,026.72 = 2,999,009.92 : x - Step 2: Convert to fraction form
5,173,206.24/7,139,026.72 = 2,999,009.92/x - Step 3: Cross multiply
5,173,206.24x = 7,139,026.72 × 2,999,009.92 - Step 4: Simplify right side
5,173,206.24x = 21,410,011,952,425.06 - Step 5: Solve for x
x = 21,410,011,952,425.06/5,173,206.24 - Step 6: Final answer
x = 4,138,634.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.