Finding the Fourth Proportional to 3,409,721.02, 5,115,541.08 and 1,490,800.75
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Solution
The fourth proportional to 3,409,721.02, 5,115,541.08 and 1,490,800.75 is: 2,236,620.65
Step by Step Solution
- Step 1: Write the proportion equation
3,409,721.02 : 5,115,541.08 = 1,490,800.75 : x - Step 2: Convert to fraction form
3,409,721.02/5,115,541.08 = 1,490,800.75/x - Step 3: Cross multiply
3,409,721.02x = 5,115,541.08 × 1,490,800.75 - Step 4: Simplify right side
3,409,721.02x = 7,626,252,463,135.71 - Step 5: Solve for x
x = 7,626,252,463,135.71/3,409,721.02 - Step 6: Final answer
x = 2,236,620.65
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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.