Finding the Fourth Proportional to 3,237,541.91, 4,467,690.74 and 1,787,206.20
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Solution
The fourth proportional to 3,237,541.91, 4,467,690.74 and 1,787,206.20 is: 2,466,279.92
Step by Step Solution
- Step 1: Write the proportion equation
3,237,541.91 : 4,467,690.74 = 1,787,206.20 : x - Step 2: Convert to fraction form
3,237,541.91/4,467,690.74 = 1,787,206.20/x - Step 3: Cross multiply
3,237,541.91x = 4,467,690.74 × 1,787,206.20 - Step 4: Simplify right side
3,237,541.91x = 7,984,684,594,678.60 - Step 5: Solve for x
x = 7,984,684,594,678.60/3,237,541.91 - Step 6: Final answer
x = 2,466,279.92
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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.