Finding the Fourth Proportional to 1,981,508.58, 2,735,319.18 and 1,337,800.74
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Solution
The fourth proportional to 1,981,508.58, 2,735,319.18 and 1,337,800.74 is: 1,846,730.34
Step by Step Solution
- Step 1: Write the proportion equation
1,981,508.58 : 2,735,319.18 = 1,337,800.74 : x - Step 2: Convert to fraction form
1,981,508.58/2,735,319.18 = 1,337,800.74/x - Step 3: Cross multiply
1,981,508.58x = 2,735,319.18 × 1,337,800.74 - Step 4: Simplify right side
1,981,508.58x = 3,659,312,023,140.19 - Step 5: Solve for x
x = 3,659,312,023,140.19/1,981,508.58 - Step 6: Final answer
x = 1,846,730.34
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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.