Finding the Fourth Proportional to 4,158,624.80, 6,237,937.20 and 1,318,959.20
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Solution
The fourth proportional to 4,158,624.80, 6,237,937.20 and 1,318,959.20 is: 1,978,438.80
Step by Step Solution
- Step 1: Write the proportion equation
4,158,624.80 : 6,237,937.20 = 1,318,959.20 : x - Step 2: Convert to fraction form
4,158,624.80/6,237,937.20 = 1,318,959.20/x - Step 3: Cross multiply
4,158,624.80x = 6,237,937.20 × 1,318,959.20 - Step 4: Simplify right side
4,158,624.80x = 8,227,584,658,962.24 - Step 5: Solve for x
x = 8,227,584,658,962.24/4,158,624.80 - Step 6: Final answer
x = 1,978,438.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.