Finding the Fourth Proportional to 1,915,964.48, 2,873,112.06 and 549,436.70
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Solution
The fourth proportional to 1,915,964.48, 2,873,112.06 and 549,436.70 is: 823,915.70
Step by Step Solution
- Step 1: Write the proportion equation
1,915,964.48 : 2,873,112.06 = 549,436.70 : x - Step 2: Convert to fraction form
1,915,964.48/2,873,112.06 = 549,436.70/x - Step 3: Cross multiply
1,915,964.48x = 2,873,112.06 × 549,436.70 - Step 4: Simplify right side
1,915,964.48x = 1,578,593,208,976.60 - Step 5: Solve for x
x = 1,578,593,208,976.60/1,915,964.48 - Step 6: Final answer
x = 823,915.70
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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.