Finding the Fourth Proportional to 2,817,954.18, 3,889,143.60 and 1,578,036.76
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Solution
The fourth proportional to 2,817,954.18, 3,889,143.60 and 1,578,036.76 is: 2,177,896.15
Step by Step Solution
- Step 1: Write the proportion equation
2,817,954.18 : 3,889,143.60 = 1,578,036.76 : x - Step 2: Convert to fraction form
2,817,954.18/3,889,143.60 = 1,578,036.76/x - Step 3: Cross multiply
2,817,954.18x = 3,889,143.60 × 1,578,036.76 - Step 4: Simplify right side
2,817,954.18x = 6,137,211,550,078.24 - Step 5: Solve for x
x = 6,137,211,550,078.24/2,817,954.18 - Step 6: Final answer
x = 2,177,896.15
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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.