Finding the Fourth Proportional to 4,016,079.84, 5,542,237.80 and 2,180,560.08
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Solution
The fourth proportional to 4,016,079.84, 5,542,237.80 and 2,180,560.08 is: 3,009,198.77
Step by Step Solution
- Step 1: Write the proportion equation
4,016,079.84 : 5,542,237.80 = 2,180,560.08 : x - Step 2: Convert to fraction form
4,016,079.84/5,542,237.80 = 2,180,560.08/x - Step 3: Cross multiply
4,016,079.84x = 5,542,237.80 × 2,180,560.08 - Step 4: Simplify right side
4,016,079.84x = 12,085,182,500,547.02 - Step 5: Solve for x
x = 12,085,182,500,547.02/4,016,079.84 - Step 6: Final answer
x = 3,009,198.77
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1.5x scale
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.