Finding the Fourth Proportional to 2,800,826.23, 3,865,508.52 and 1,577,370.93
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Solution
The fourth proportional to 2,800,826.23, 3,865,508.52 and 1,577,370.93 is: 2,176,979.32
Step by Step Solution
- Step 1: Write the proportion equation
2,800,826.23 : 3,865,508.52 = 1,577,370.93 : x - Step 2: Convert to fraction form
2,800,826.23/3,865,508.52 = 1,577,370.93/x - Step 3: Cross multiply
2,800,826.23x = 3,865,508.52 × 1,577,370.93 - Step 4: Simplify right side
2,800,826.23x = 6,097,340,769,115.32 - Step 5: Solve for x
x = 6,097,340,769,115.32/2,800,826.23 - Step 6: Final answer
x = 2,176,979.32
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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.