Finding the Fourth Proportional to 2,857,131.15, 4,285,434.28 and 963,888.99
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Solution
The fourth proportional to 2,857,131.15, 4,285,434.28 and 963,888.99 is: 1,445,744.95
Step by Step Solution
- Step 1: Write the proportion equation
2,857,131.15 : 4,285,434.28 = 963,888.99 : x - Step 2: Convert to fraction form
2,857,131.15/4,285,434.28 = 963,888.99/x - Step 3: Cross multiply
2,857,131.15x = 4,285,434.28 × 963,888.99 - Step 4: Simplify right side
2,857,131.15x = 4,130,682,919,860.58 - Step 5: Solve for x
x = 4,130,682,919,860.58/2,857,131.15 - Step 6: Final answer
x = 1,445,744.95
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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.