Finding the Fourth Proportional to 3,149,339.60, 4,725,175.80 and 1,257,438.80
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Solution
The fourth proportional to 3,149,339.60, 4,725,175.80 and 1,257,438.80 is: 1,886,623.91
Step by Step Solution
- Step 1: Write the proportion equation
3,149,339.60 : 4,725,175.80 = 1,257,438.80 : x - Step 2: Convert to fraction form
3,149,339.60/4,725,175.80 = 1,257,438.80/x - Step 3: Cross multiply
3,149,339.60x = 4,725,175.80 × 1,257,438.80 - Step 4: Simplify right side
3,149,339.60x = 5,941,619,387,741.04 - Step 5: Solve for x
x = 5,941,619,387,741.04/3,149,339.60 - Step 6: Final answer
x = 1,886,623.91
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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.