Finding the Fourth Proportional to 2,992,106.05, 4,126,303.52 and 2,382,271.90
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Solution
The fourth proportional to 2,992,106.05, 4,126,303.52 and 2,382,271.90 is: 3,285,303.65
Step by Step Solution
- Step 1: Write the proportion equation
2,992,106.05 : 4,126,303.52 = 2,382,271.90 : x - Step 2: Convert to fraction form
2,992,106.05/4,126,303.52 = 2,382,271.90/x - Step 3: Cross multiply
2,992,106.05x = 4,126,303.52 × 2,382,271.90 - Step 4: Simplify right side
2,992,106.05x = 9,829,976,904,339.97 - Step 5: Solve for x
x = 9,829,976,904,339.97/2,992,106.05 - Step 6: Final answer
x = 3,285,303.65
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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.