Finding the Fourth Proportional to 5,782,848.36, 7,980,377.98 and 3,204,572.18
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Solution
The fourth proportional to 5,782,848.36, 7,980,377.98 and 3,204,572.18 is: 4,422,335.79
Step by Step Solution
- Step 1: Write the proportion equation
5,782,848.36 : 7,980,377.98 = 3,204,572.18 : x - Step 2: Convert to fraction form
5,782,848.36/7,980,377.98 = 3,204,572.18/x - Step 3: Cross multiply
5,782,848.36x = 7,980,377.98 × 3,204,572.18 - Step 4: Simplify right side
5,782,848.36x = 25,573,697,260,592.60 - Step 5: Solve for x
x = 25,573,697,260,592.60/5,782,848.36 - Step 6: Final answer
x = 4,422,335.79
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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.