Finding the Fourth Proportional to 5,210,398.70, 7,174,299.74 and 4,628,612.96
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Solution
The fourth proportional to 5,210,398.70, 7,174,299.74 and 4,628,612.96 is: 6,373,227.59
Step by Step Solution
- Step 1: Write the proportion equation
5,210,398.70 : 7,174,299.74 = 4,628,612.96 : x - Step 2: Convert to fraction form
5,210,398.70/7,174,299.74 = 4,628,612.96/x - Step 3: Cross multiply
5,210,398.70x = 7,174,299.74 × 4,628,612.96 - Step 4: Simplify right side
5,210,398.70x = 33,207,056,731,188.66 - Step 5: Solve for x
x = 33,207,056,731,188.66/5,210,398.70 - Step 6: Final answer
x = 6,373,227.59
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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.