Finding the Fourth Proportional to 5,235,023.91, 7,852,535.87 and 1,640,809.70
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Solution
The fourth proportional to 5,235,023.91, 7,852,535.87 and 1,640,809.70 is: 2,461,214.54
Step by Step Solution
- Step 1: Write the proportion equation
5,235,023.91 : 7,852,535.87 = 1,640,809.70 : x - Step 2: Convert to fraction form
5,235,023.91/7,852,535.87 = 1,640,809.70/x - Step 3: Cross multiply
5,235,023.91x = 7,852,535.87 × 1,640,809.70 - Step 4: Simplify right side
5,235,023.91x = 12,884,516,977,627.21 - Step 5: Solve for x
x = 12,884,516,977,627.21/5,235,023.91 - Step 6: Final answer
x = 2,461,214.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.