Finding the Fourth Proportional to 4,899,440.64, 7,348,685.81 and 1,487,756.79
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Solution
The fourth proportional to 4,899,440.64, 7,348,685.81 and 1,487,756.79 is: 2,231,490.89
Step by Step Solution
- Step 1: Write the proportion equation
4,899,440.64 : 7,348,685.81 = 1,487,756.79 : x - Step 2: Convert to fraction form
4,899,440.64/7,348,685.81 = 1,487,756.79/x - Step 3: Cross multiply
4,899,440.64x = 7,348,685.81 × 1,487,756.79 - Step 4: Simplify right side
4,899,440.64x = 10,933,057,170,941.33 - Step 5: Solve for x
x = 10,933,057,170,941.33/4,899,440.64 - Step 6: Final answer
x = 2,231,490.89
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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.