Finding the Fourth Proportional to 4,316,728.13, 5,956,928.70 and 2,382,947.20
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Solution
The fourth proportional to 4,316,728.13, 5,956,928.70 and 2,382,947.20 is: 3,288,380.95
Step by Step Solution
- Step 1: Write the proportion equation
4,316,728.13 : 5,956,928.70 = 2,382,947.20 : x - Step 2: Convert to fraction form
4,316,728.13/5,956,928.70 = 2,382,947.20/x - Step 3: Cross multiply
4,316,728.13x = 5,956,928.70 × 2,382,947.20 - Step 4: Simplify right side
4,316,728.13x = 14,195,046,566,264.64 - Step 5: Solve for x
x = 14,195,046,566,264.64/4,316,728.13 - Step 6: Final answer
x = 3,288,380.95
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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.