Finding the Fourth Proportional to 3,291,228.80, 4,937,206.08 and 1,046,841.92
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Solution
The fourth proportional to 3,291,228.80, 4,937,206.08 and 1,046,841.92 is: 1,570,378.30
Step by Step Solution
- Step 1: Write the proportion equation
3,291,228.80 : 4,937,206.08 = 1,046,841.92 : x - Step 2: Convert to fraction form
3,291,228.80/4,937,206.08 = 1,046,841.92/x - Step 3: Cross multiply
3,291,228.80x = 4,937,206.08 × 1,046,841.92 - Step 4: Simplify right side
3,291,228.80x = 5,168,474,292,222.87 - Step 5: Solve for x
x = 5,168,474,292,222.87/3,291,228.80 - Step 6: Final answer
x = 1,570,378.30
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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.