Finding the Fourth Proportional to 4,490,455.05, 6,736,744.89 and 1,457,815.05
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Solution
The fourth proportional to 4,490,455.05, 6,736,744.89 and 1,457,815.05 is: 2,187,067.45
Step by Step Solution
- Step 1: Write the proportion equation
4,490,455.05 : 6,736,744.89 = 1,457,815.05 : x - Step 2: Convert to fraction form
4,490,455.05/6,736,744.89 = 1,457,815.05/x - Step 3: Cross multiply
4,490,455.05x = 6,736,744.89 × 1,457,815.05 - Step 4: Simplify right side
4,490,455.05x = 9,820,928,088,652.59 - Step 5: Solve for x
x = 9,820,928,088,652.59/4,490,455.05 - Step 6: Final answer
x = 2,187,067.45
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1.5x scale
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.