Finding the Fourth Proportional to 4,619,449.12, 6,931,199.28 and 2,192,355.32
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Solution
The fourth proportional to 4,619,449.12, 6,931,199.28 and 2,192,355.32 is: 3,289,494.31
Step by Step Solution
- Step 1: Write the proportion equation
4,619,449.12 : 6,931,199.28 = 2,192,355.32 : x - Step 2: Convert to fraction form
4,619,449.12/6,931,199.28 = 2,192,355.32/x - Step 3: Cross multiply
4,619,449.12x = 6,931,199.28 × 2,192,355.32 - Step 4: Simplify right side
4,619,449.12x = 15,195,651,615,488.17 - Step 5: Solve for x
x = 15,195,651,615,488.17/4,619,449.12 - Step 6: Final answer
x = 3,289,494.31
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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.