Finding the Fourth Proportional to 4,971,411.24, 7,455,905.10 and 1,377,084.84
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Solution
The fourth proportional to 4,971,411.24, 7,455,905.10 and 1,377,084.84 is: 2,065,291.60
Step by Step Solution
- Step 1: Write the proportion equation
4,971,411.24 : 7,455,905.10 = 1,377,084.84 : x - Step 2: Convert to fraction form
4,971,411.24/7,455,905.10 = 1,377,084.84/x - Step 3: Cross multiply
4,971,411.24x = 7,455,905.10 × 1,377,084.84 - Step 4: Simplify right side
4,971,411.24x = 10,267,413,881,688.68 - Step 5: Solve for x
x = 10,267,413,881,688.68/4,971,411.24 - Step 6: Final answer
x = 2,065,291.60
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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.