Finding the Fourth Proportional to 4,257,988.84, 6,384,620.26 and 1,416,549.88
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Solution
The fourth proportional to 4,257,988.84, 6,384,620.26 and 1,416,549.88 is: 2,124,038.70
Step by Step Solution
- Step 1: Write the proportion equation
4,257,988.84 : 6,384,620.26 = 1,416,549.88 : x - Step 2: Convert to fraction form
4,257,988.84/6,384,620.26 = 1,416,549.88/x - Step 3: Cross multiply
4,257,988.84x = 6,384,620.26 × 1,416,549.88 - Step 4: Simplify right side
4,257,988.84x = 9,044,133,063,148.57 - Step 5: Solve for x
x = 9,044,133,063,148.57/4,257,988.84 - Step 6: Final answer
x = 2,124,038.70
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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.