Finding the Fourth Proportional to 2,248,458.24, 3,102,793.68 and 1,281,899.76
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Solution
The fourth proportional to 2,248,458.24, 3,102,793.68 and 1,281,899.76 is: 1,768,976.81
Step by Step Solution
- Step 1: Write the proportion equation
2,248,458.24 : 3,102,793.68 = 1,281,899.76 : x - Step 2: Convert to fraction form
2,248,458.24/3,102,793.68 = 1,281,899.76/x - Step 3: Cross multiply
2,248,458.24x = 3,102,793.68 × 1,281,899.76 - Step 4: Simplify right side
2,248,458.24x = 3,977,470,473,721.52 - Step 5: Solve for x
x = 3,977,470,473,721.52/2,248,458.24 - Step 6: Final answer
x = 1,768,976.81
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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.