Finding the Fourth Proportional to 2,558,420.27, 3,530,929.58 and 1,456,119.70
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Solution
The fourth proportional to 2,558,420.27, 3,530,929.58 and 1,456,119.70 is: 2,009,621.40
Step by Step Solution
- Step 1: Write the proportion equation
2,558,420.27 : 3,530,929.58 = 1,456,119.70 : x - Step 2: Convert to fraction form
2,558,420.27/3,530,929.58 = 1,456,119.70/x - Step 3: Cross multiply
2,558,420.27x = 3,530,929.58 × 1,456,119.70 - Step 4: Simplify right side
2,558,420.27x = 5,141,456,120,750.73 - Step 5: Solve for x
x = 5,141,456,120,750.73/2,558,420.27 - Step 6: Final answer
x = 2,009,621.40
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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.