Finding the Fourth Proportional to 5,650,539.48, 7,797,705.03 and 3,072,220.92
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Solution
The fourth proportional to 5,650,539.48, 7,797,705.03 and 3,072,220.92 is: 4,239,643.42
Step by Step Solution
- Step 1: Write the proportion equation
5,650,539.48 : 7,797,705.03 = 3,072,220.92 : x - Step 2: Convert to fraction form
5,650,539.48/7,797,705.03 = 3,072,220.92/x - Step 3: Cross multiply
5,650,539.48x = 7,797,705.03 × 3,072,220.92 - Step 4: Simplify right side
5,650,539.48x = 23,956,272,521,155.23 - Step 5: Solve for x
x = 23,956,272,521,155.23/5,650,539.48 - Step 6: Final answer
x = 4,239,643.42
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1.5x scale
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.