Finding the Fourth Proportional to 2,479,106.50, 3,421,336.35 and 1,376,594.80
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Solution
The fourth proportional to 2,479,106.50, 3,421,336.35 and 1,376,594.80 is: 1,899,794.88
Step by Step Solution
- Step 1: Write the proportion equation
2,479,106.50 : 3,421,336.35 = 1,376,594.80 : x - Step 2: Convert to fraction form
2,479,106.50/3,421,336.35 = 1,376,594.80/x - Step 3: Cross multiply
2,479,106.50x = 3,421,336.35 × 1,376,594.80 - Step 4: Simplify right side
2,479,106.50x = 4,709,793,828,460.98 - Step 5: Solve for x
x = 4,709,793,828,460.98/2,479,106.50 - Step 6: Final answer
x = 1,899,794.88
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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.