Finding the Fourth Proportional to 1,480,889.18, 2,221,416.84 and 415,848.18
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Solution
The fourth proportional to 1,480,889.18, 2,221,416.84 and 415,848.18 is: 623,795.60
Step by Step Solution
- Step 1: Write the proportion equation
1,480,889.18 : 2,221,416.84 = 415,848.18 : x - Step 2: Convert to fraction form
1,480,889.18/2,221,416.84 = 415,848.18/x - Step 3: Cross multiply
1,480,889.18x = 2,221,416.84 × 415,848.18 - Step 4: Simplify right side
1,480,889.18x = 923,772,149,935.35 - Step 5: Solve for x
x = 923,772,149,935.35/1,480,889.18 - Step 6: Final answer
x = 623,795.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.