Finding the Fourth Proportional to 1,774,765.64, 2,449,678.98 and 1,049,865.36
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Solution
The fourth proportional to 1,774,765.64, 2,449,678.98 and 1,049,865.36 is: 1,449,111.39
Step by Step Solution
- Step 1: Write the proportion equation
1,774,765.64 : 2,449,678.98 = 1,049,865.36 : x - Step 2: Convert to fraction form
1,774,765.64/2,449,678.98 = 1,049,865.36/x - Step 3: Cross multiply
1,774,765.64x = 2,449,678.98 × 1,049,865.36 - Step 4: Simplify right side
1,774,765.64x = 2,571,833,104,222.13 - Step 5: Solve for x
x = 2,571,833,104,222.13/1,774,765.64 - Step 6: Final answer
x = 1,449,111.39
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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.