Finding the Fourth Proportional to 5,456,389.76, 7,529,718.36 and 3,009,227.12
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Solution
The fourth proportional to 5,456,389.76, 7,529,718.36 and 3,009,227.12 is: 4,152,678.55
Step by Step Solution
- Step 1: Write the proportion equation
5,456,389.76 : 7,529,718.36 = 3,009,227.12 : x - Step 2: Convert to fraction form
5,456,389.76/7,529,718.36 = 3,009,227.12/x - Step 3: Cross multiply
5,456,389.76x = 7,529,718.36 × 3,009,227.12 - Step 4: Simplify right side
5,456,389.76x = 22,658,632,694,873.93 - Step 5: Solve for x
x = 22,658,632,694,873.93/5,456,389.76 - Step 6: Final answer
x = 4,152,678.55
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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.