Finding the Fourth Proportional to 3,163,498.19, 4,746,056.47 and 919,636.19
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Solution
The fourth proportional to 3,163,498.19, 4,746,056.47 and 919,636.19 is: 1,379,689.52
Step by Step Solution
- Step 1: Write the proportion equation
3,163,498.19 : 4,746,056.47 = 919,636.19 : x - Step 2: Convert to fraction form
3,163,498.19/4,746,056.47 = 919,636.19/x - Step 3: Cross multiply
3,163,498.19x = 4,746,056.47 × 919,636.19 - Step 4: Simplify right side
3,163,498.19x = 4,364,645,289,595.65 - Step 5: Solve for x
x = 4,364,645,289,595.65/3,163,498.19 - Step 6: Final answer
x = 1,379,689.52
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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.