Finding the Fourth Proportional to 4,543,943.12, 6,270,659.11 and 2,479,005.06
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Solution
The fourth proportional to 4,543,943.12, 6,270,659.11 and 2,479,005.06 is: 3,421,036.59
Step by Step Solution
- Step 1: Write the proportion equation
4,543,943.12 : 6,270,659.11 = 2,479,005.06 : x - Step 2: Convert to fraction form
4,543,943.12/6,270,659.11 = 2,479,005.06/x - Step 3: Cross multiply
4,543,943.12x = 6,270,659.11 × 2,479,005.06 - Step 4: Simplify right side
4,543,943.12x = 15,544,995,663,225.10 - Step 5: Solve for x
x = 15,544,995,663,225.10/4,543,943.12 - Step 6: Final answer
x = 3,421,036.59
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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.