Finding the Fourth Proportional to 2,540,173.40, 3,504,987.08 and 1,437,599.63
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Solution
The fourth proportional to 2,540,173.40, 3,504,987.08 and 1,437,599.63 is: 1,983,631.56
Step by Step Solution
- Step 1: Write the proportion equation
2,540,173.40 : 3,504,987.08 = 1,437,599.63 : x - Step 2: Convert to fraction form
2,540,173.40/3,504,987.08 = 1,437,599.63/x - Step 3: Cross multiply
2,540,173.40x = 3,504,987.08 × 1,437,599.63 - Step 4: Simplify right side
2,540,173.40x = 5,038,768,116,612.70 - Step 5: Solve for x
x = 5,038,768,116,612.70/2,540,173.40 - Step 6: Final answer
x = 1,983,631.56
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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.