Finding the Fourth Proportional to 2,850,821.54, 3,934,134.47 and 1,561,707.76
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Solution
The fourth proportional to 2,850,821.54, 3,934,134.47 and 1,561,707.76 is: 2,155,157.11
Step by Step Solution
- Step 1: Write the proportion equation
2,850,821.54 : 3,934,134.47 = 1,561,707.76 : x - Step 2: Convert to fraction form
2,850,821.54/3,934,134.47 = 1,561,707.76/x - Step 3: Cross multiply
2,850,821.54x = 3,934,134.47 × 1,561,707.76 - Step 4: Simplify right side
2,850,821.54x = 6,143,968,303,203.28 - Step 5: Solve for x
x = 6,143,968,303,203.28/2,850,821.54 - Step 6: Final answer
x = 2,155,157.11
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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.