Finding the Fourth Proportional to 4,870,799.06, 6,722,416.62 and 2,805,412.66
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Solution
The fourth proportional to 4,870,799.06, 6,722,416.62 and 2,805,412.66 is: 3,871,880.66
Step by Step Solution
- Step 1: Write the proportion equation
4,870,799.06 : 6,722,416.62 = 2,805,412.66 : x - Step 2: Convert to fraction form
4,870,799.06/6,722,416.62 = 2,805,412.66/x - Step 3: Cross multiply
4,870,799.06x = 6,722,416.62 × 2,805,412.66 - Step 4: Simplify right side
4,870,799.06x = 18,859,152,691,542.41 - Step 5: Solve for x
x = 18,859,152,691,542.41/4,870,799.06 - Step 6: Final answer
x = 3,871,880.66
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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.