Finding the Fourth Proportional to 4,311,405.80, 6,468,030.30 and 1,319,892.20
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Solution
The fourth proportional to 4,311,405.80, 6,468,030.30 and 1,319,892.20 is: 1,980,120.44
Step by Step Solution
- Step 1: Write the proportion equation
4,311,405.80 : 6,468,030.30 = 1,319,892.20 : x - Step 2: Convert to fraction form
4,311,405.80/6,468,030.30 = 1,319,892.20/x - Step 3: Cross multiply
4,311,405.80x = 6,468,030.30 × 1,319,892.20 - Step 4: Simplify right side
4,311,405.80x = 8,537,102,742,333.66 - Step 5: Solve for x
x = 8,537,102,742,333.66/4,311,405.80 - Step 6: Final answer
x = 1,980,120.44
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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.