Finding the Fourth Proportional to 4,132,063.74, 6,198,206.52 and 1,292,175.90
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Solution
The fourth proportional to 4,132,063.74, 6,198,206.52 and 1,292,175.90 is: 1,938,298.53
Step by Step Solution
- Step 1: Write the proportion equation
4,132,063.74 : 6,198,206.52 = 1,292,175.90 : x - Step 2: Convert to fraction form
4,132,063.74/6,198,206.52 = 1,292,175.90/x - Step 3: Cross multiply
4,132,063.74x = 6,198,206.52 × 1,292,175.90 - Step 4: Simplify right side
4,132,063.74x = 8,009,173,088,366.87 - Step 5: Solve for x
x = 8,009,173,088,366.87/4,132,063.74 - Step 6: Final answer
x = 1,938,298.53
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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.