Finding the Fourth Proportional to 4,210,472.70, 5,810,448.18 and 2,276,728.65
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Solution
The fourth proportional to 4,210,472.70, 5,810,448.18 and 2,276,728.65 is: 3,141,883.30
Step by Step Solution
- Step 1: Write the proportion equation
4,210,472.70 : 5,810,448.18 = 2,276,728.65 : x - Step 2: Convert to fraction form
4,210,472.70/5,810,448.18 = 2,276,728.65/x - Step 3: Cross multiply
4,210,472.70x = 5,810,448.18 × 2,276,728.65 - Step 4: Simplify right side
4,210,472.70x = 13,228,813,840,746.36 - Step 5: Solve for x
x = 13,228,813,840,746.36/4,210,472.70 - Step 6: Final answer
x = 3,141,883.30
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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.