Finding the Fourth Proportional to 3,378,724.08, 4,658,902.94 and 2,153,088.10
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Solution
The fourth proportional to 3,378,724.08, 4,658,902.94 and 2,153,088.10 is: 2,968,880.63
Step by Step Solution
- Step 1: Write the proportion equation
3,378,724.08 : 4,658,902.94 = 2,153,088.10 : x - Step 2: Convert to fraction form
3,378,724.08/4,658,902.94 = 2,153,088.10/x - Step 3: Cross multiply
3,378,724.08x = 4,658,902.94 × 2,153,088.10 - Step 4: Simplify right side
3,378,724.08x = 10,031,028,479,169.02 - Step 5: Solve for x
x = 10,031,028,479,169.02/3,378,724.08 - Step 6: Final answer
x = 2,968,880.63
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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.