Finding the Fourth Proportional to 2,755,251.81, 4,128,952.74 and 2,029,889.07
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Solution
The fourth proportional to 2,755,251.81, 4,128,952.74 and 2,029,889.07 is: 3,041,941.94
Step by Step Solution
- Step 1: Write the proportion equation
2,755,251.81 : 4,128,952.74 = 2,029,889.07 : x - Step 2: Convert to fraction form
2,755,251.81/4,128,952.74 = 2,029,889.07/x - Step 3: Cross multiply
2,755,251.81x = 4,128,952.74 × 2,029,889.07 - Step 4: Simplify right side
2,755,251.81x = 8,381,316,037,472.55 - Step 5: Solve for x
x = 8,381,316,037,472.55/2,755,251.81 - Step 6: Final answer
x = 3,041,941.94
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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.