Finding the Fourth Proportional to 3,257,549.76, 4,495,416.91 and 1,787,467.95
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Solution
The fourth proportional to 3,257,549.76, 4,495,416.91 and 1,787,467.95 is: 2,466,704.81
Step by Step Solution
- Step 1: Write the proportion equation
3,257,549.76 : 4,495,416.91 = 1,787,467.95 : x - Step 2: Convert to fraction form
3,257,549.76/4,495,416.91 = 1,787,467.95/x - Step 3: Cross multiply
3,257,549.76x = 4,495,416.91 × 1,787,467.95 - Step 4: Simplify right side
3,257,549.76x = 8,035,413,648,513.03 - Step 5: Solve for x
x = 8,035,413,648,513.03/3,257,549.76 - Step 6: Final answer
x = 2,466,704.81
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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.