Finding the Fourth Proportional to 4,423,700.27, 6,638,129.70 and 1,864,758.70
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Solution
The fourth proportional to 4,423,700.27, 6,638,129.70 and 1,864,758.70 is: 2,798,225.32
Step by Step Solution
- Step 1: Write the proportion equation
4,423,700.27 : 6,638,129.70 = 1,864,758.70 : x - Step 2: Convert to fraction form
4,423,700.27/6,638,129.70 = 1,864,758.70/x - Step 3: Cross multiply
4,423,700.27x = 6,638,129.70 × 1,864,758.70 - Step 4: Simplify right side
4,423,700.27x = 12,378,510,109,803.39 - Step 5: Solve for x
x = 12,378,510,109,803.39/4,423,700.27 - Step 6: Final answer
x = 2,798,225.32
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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.