Finding the Fourth Proportional to 2,759,509.98, 4,139,931.42 and 866,251.44
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Solution
The fourth proportional to 2,759,509.98, 4,139,931.42 and 866,251.44 is: 1,299,586.37
Step by Step Solution
- Step 1: Write the proportion equation
2,759,509.98 : 4,139,931.42 = 866,251.44 : x - Step 2: Convert to fraction form
2,759,509.98/4,139,931.42 = 866,251.44/x - Step 3: Cross multiply
2,759,509.98x = 4,139,931.42 × 866,251.44 - Step 4: Simplify right side
2,759,509.98x = 3,586,221,554,076.24 - Step 5: Solve for x
x = 3,586,221,554,076.24/2,759,509.98 - Step 6: Final answer
x = 1,299,586.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.