Finding the Fourth Proportional to 1,625,393.19, 2,244,550.35 and 1,216,785.65
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Solution
The fourth proportional to 1,625,393.19, 2,244,550.35 and 1,216,785.65 is: 1,680,292.91
Step by Step Solution
- Step 1: Write the proportion equation
1,625,393.19 : 2,244,550.35 = 1,216,785.65 : x - Step 2: Convert to fraction form
1,625,393.19/2,244,550.35 = 1,216,785.65/x - Step 3: Cross multiply
1,625,393.19x = 2,244,550.35 × 1,216,785.65 - Step 4: Simplify right side
1,625,393.19x = 2,731,136,645,359.73 - Step 5: Solve for x
x = 2,731,136,645,359.73/1,625,393.19 - Step 6: Final answer
x = 1,680,292.91
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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.