Finding the Fourth Proportional to 5,065,593.74, 6,990,531.08 and 2,742,510.90
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Solution
The fourth proportional to 5,065,593.74, 6,990,531.08 and 2,742,510.90 is: 3,784,671.39
Step by Step Solution
- Step 1: Write the proportion equation
5,065,593.74 : 6,990,531.08 = 2,742,510.90 : x - Step 2: Convert to fraction form
5,065,593.74/6,990,531.08 = 2,742,510.90/x - Step 3: Cross multiply
5,065,593.74x = 6,990,531.08 × 2,742,510.90 - Step 4: Simplify right side
5,065,593.74x = 19,171,607,669,976.22 - Step 5: Solve for x
x = 19,171,607,669,976.22/5,065,593.74 - Step 6: Final answer
x = 3,784,671.39
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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.