Finding the Fourth Proportional to 5,017,840.40, 6,925,213.32 and 2,980,658
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Solution
The fourth proportional to 5,017,840.40, 6,925,213.32 and 2,980,658 is: 4,113,660.63
Step by Step Solution
- Step 1: Write the proportion equation
5,017,840.40 : 6,925,213.32 = 2,980,658 : x - Step 2: Convert to fraction form
5,017,840.40/6,925,213.32 = 2,980,658/x - Step 3: Cross multiply
5,017,840.40x = 6,925,213.32 × 2,980,658 - Step 4: Simplify right side
5,017,840.40x = 20,641,692,483,964.56 - Step 5: Solve for x
x = 20,641,692,483,964.56/5,017,840.40 - Step 6: Final answer
x = 4,113,660.63
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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.