Finding the Fourth Proportional to 1,796,915.20, 2,478,848.64 and 1,071,251.84
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Solution
The fourth proportional to 1,796,915.20, 2,478,848.64 and 1,071,251.84 is: 1,477,794.37
Step by Step Solution
- Step 1: Write the proportion equation
1,796,915.20 : 2,478,848.64 = 1,071,251.84 : x - Step 2: Convert to fraction form
1,796,915.20/2,478,848.64 = 1,071,251.84/x - Step 3: Cross multiply
1,796,915.20x = 2,478,848.64 × 1,071,251.84 - Step 4: Simplify right side
1,796,915.20x = 2,655,471,166,681.50 - Step 5: Solve for x
x = 2,655,471,166,681.50/1,796,915.20 - Step 6: Final answer
x = 1,477,794.37
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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.