Finding the Fourth Proportional to 4,943,902.70, 7,415,854.05 and 2,103,301.10
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Solution
The fourth proportional to 4,943,902.70, 7,415,854.05 and 2,103,301.10 is: 3,154,951.65
Step by Step Solution
- Step 1: Write the proportion equation
4,943,902.70 : 7,415,854.05 = 2,103,301.10 : x - Step 2: Convert to fraction form
4,943,902.70/7,415,854.05 = 2,103,301.10/x - Step 3: Cross multiply
4,943,902.70x = 7,415,854.05 × 2,103,301.10 - Step 4: Simplify right side
4,943,902.70x = 15,597,773,980,804.46 - Step 5: Solve for x
x = 15,597,773,980,804.46/4,943,902.70 - Step 6: Final answer
x = 3,154,951.65
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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.