Finding the Fourth Proportional to 2,889,964.80, 4,339,094.40 and 1,630,252.80
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Solution
The fourth proportional to 2,889,964.80, 4,339,094.40 and 1,630,252.80 is: 2,447,718.67
Step by Step Solution
- Step 1: Write the proportion equation
2,889,964.80 : 4,339,094.40 = 1,630,252.80 : x - Step 2: Convert to fraction form
2,889,964.80/4,339,094.40 = 1,630,252.80/x - Step 3: Cross multiply
2,889,964.80x = 4,339,094.40 × 1,630,252.80 - Step 4: Simplify right side
2,889,964.80x = 7,073,820,795,064.32 - Step 5: Solve for x
x = 7,073,820,795,064.32/2,889,964.80 - Step 6: Final answer
x = 2,447,718.67
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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.