Finding the Fourth Proportional to 3,017,026.72, 4,163,482.42 and 1,777,356.75
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Solution
The fourth proportional to 3,017,026.72, 4,163,482.42 and 1,777,356.75 is: 2,452,743.80
Step by Step Solution
- Step 1: Write the proportion equation
3,017,026.72 : 4,163,482.42 = 1,777,356.75 : x - Step 2: Convert to fraction form
3,017,026.72/4,163,482.42 = 1,777,356.75/x - Step 3: Cross multiply
3,017,026.72x = 4,163,482.42 × 1,777,356.75 - Step 4: Simplify right side
3,017,026.72x = 7,399,993,582,693.34 - Step 5: Solve for x
x = 7,399,993,582,693.34/3,017,026.72 - Step 6: Final answer
x = 2,452,743.80
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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.