Finding the Fourth Proportional to 3,889,053.74, 5,366,894.56 and 2,146,723.76
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Solution
The fourth proportional to 3,889,053.74, 5,366,894.56 and 2,146,723.76 is: 2,962,479.01
Step by Step Solution
- Step 1: Write the proportion equation
3,889,053.74 : 5,366,894.56 = 2,146,723.76 : x - Step 2: Convert to fraction form
3,889,053.74/5,366,894.56 = 2,146,723.76/x - Step 3: Cross multiply
3,889,053.74x = 5,366,894.56 × 2,146,723.76 - Step 4: Simplify right side
3,889,053.74x = 11,521,240,069,366.74 - Step 5: Solve for x
x = 11,521,240,069,366.74/3,889,053.74 - Step 6: Final answer
x = 2,962,479.01
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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.