Finding the Fourth Proportional to 2,330,047.99, 3,213,809.85 and 1,555,288.20
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Solution
The fourth proportional to 2,330,047.99, 3,213,809.85 and 1,555,288.20 is: 2,145,192.10
Step by Step Solution
- Step 1: Write the proportion equation
2,330,047.99 : 3,213,809.85 = 1,555,288.20 : x - Step 2: Convert to fraction form
2,330,047.99/3,213,809.85 = 1,555,288.20/x - Step 3: Cross multiply
2,330,047.99x = 3,213,809.85 × 1,555,288.20 - Step 4: Simplify right side
2,330,047.99x = 4,998,400,545,058.65 - Step 5: Solve for x
x = 4,998,400,545,058.65/2,330,047.99 - Step 6: Final answer
x = 2,145,192.10
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.