Finding the Fourth Proportional to 5,021,739.12, 6,929,853.84 and 2,846,482.32
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Solution
The fourth proportional to 5,021,739.12, 6,929,853.84 and 2,846,482.32 is: 3,928,062.76
Step by Step Solution
- Step 1: Write the proportion equation
5,021,739.12 : 6,929,853.84 = 2,846,482.32 : x - Step 2: Convert to fraction form
5,021,739.12/6,929,853.84 = 2,846,482.32/x - Step 3: Cross multiply
5,021,739.12x = 6,929,853.84 × 2,846,482.32 - Step 4: Simplify right side
5,021,739.12x = 19,725,706,435,744.11 - Step 5: Solve for x
x = 19,725,706,435,744.11/5,021,739.12 - Step 6: Final answer
x = 3,928,062.76
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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.