Finding the Fourth Proportional to 1,391,032.08, 1,923,850.44 and 1,247,739.84
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Solution
The fourth proportional to 1,391,032.08, 1,923,850.44 and 1,247,739.84 is: 1,725,671.80
Step by Step Solution
- Step 1: Write the proportion equation
1,391,032.08 : 1,923,850.44 = 1,247,739.84 : x - Step 2: Convert to fraction form
1,391,032.08/1,923,850.44 = 1,247,739.84/x - Step 3: Cross multiply
1,391,032.08x = 1,923,850.44 × 1,247,739.84 - Step 4: Simplify right side
1,391,032.08x = 2,400,464,842,724.94 - Step 5: Solve for x
x = 2,400,464,842,724.94/1,391,032.08 - Step 6: Final answer
x = 1,725,671.80
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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.