Finding the Fourth Proportional to 4,420,493.31, 6,630,740.21 and 1,225,619.53
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Solution
The fourth proportional to 4,420,493.31, 6,630,740.21 and 1,225,619.53 is: 1,838,429.36
Step by Step Solution
- Step 1: Write the proportion equation
4,420,493.31 : 6,630,740.21 = 1,225,619.53 : x - Step 2: Convert to fraction form
4,420,493.31/6,630,740.21 = 1,225,619.53/x - Step 3: Cross multiply
4,420,493.31x = 6,630,740.21 × 1,225,619.53 - Step 4: Simplify right side
4,420,493.31x = 8,126,764,699,732.30 - Step 5: Solve for x
x = 8,126,764,699,732.30/4,420,493.31 - Step 6: Final answer
x = 1,838,429.36
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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.