Finding the Fourth Proportional to 4,731,153.60, 7,088,565.60 and 2,201,620.80
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Solution
The fourth proportional to 4,731,153.60, 7,088,565.60 and 2,201,620.80 is: 3,298,631.75
Step by Step Solution
- Step 1: Write the proportion equation
4,731,153.60 : 7,088,565.60 = 2,201,620.80 : x - Step 2: Convert to fraction form
4,731,153.60/7,088,565.60 = 2,201,620.80/x - Step 3: Cross multiply
4,731,153.60x = 7,088,565.60 × 2,201,620.80 - Step 4: Simplify right side
4,731,153.60x = 15,606,333,467,124.48 - Step 5: Solve for x
x = 15,606,333,467,124.48/4,731,153.60 - Step 6: Final answer
x = 3,298,631.75
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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.