Finding the Fourth Proportional to 4,257,280.80, 6,387,670.80 and 1,562,896.80
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Solution
The fourth proportional to 4,257,280.80, 6,387,670.80 and 1,562,896.80 is: 2,344,987.50
Step by Step Solution
- Step 1: Write the proportion equation
4,257,280.80 : 6,387,670.80 = 1,562,896.80 : x - Step 2: Convert to fraction form
4,257,280.80/6,387,670.80 = 1,562,896.80/x - Step 3: Cross multiply
4,257,280.80x = 6,387,670.80 × 1,562,896.80 - Step 4: Simplify right side
4,257,280.80x = 9,983,270,252,773.44 - Step 5: Solve for x
x = 9,983,270,252,773.44/4,257,280.80 - Step 6: Final answer
x = 2,344,987.50
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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.