Finding the Fourth Proportional to 4,991,740.28, 7,488,438.16 and 1,752,437.18
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Solution
The fourth proportional to 4,991,740.28, 7,488,438.16 and 1,752,437.18 is: 2,628,946.36
Step by Step Solution
- Step 1: Write the proportion equation
4,991,740.28 : 7,488,438.16 = 1,752,437.18 : x - Step 2: Convert to fraction form
4,991,740.28/7,488,438.16 = 1,752,437.18/x - Step 3: Cross multiply
4,991,740.28x = 7,488,438.16 × 1,752,437.18 - Step 4: Simplify right side
4,991,740.28x = 13,123,017,451,714.79 - Step 5: Solve for x
x = 13,123,017,451,714.79/4,991,740.28 - Step 6: Final answer
x = 2,628,946.36
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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.