Finding the Fourth Proportional to 5,280,881.46, 7,921,322.40 and 2,883,418.36
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Solution
The fourth proportional to 5,280,881.46, 7,921,322.40 and 2,883,418.36 is: 4,325,127.65
Step by Step Solution
- Step 1: Write the proportion equation
5,280,881.46 : 7,921,322.40 = 2,883,418.36 : x - Step 2: Convert to fraction form
5,280,881.46/7,921,322.40 = 2,883,418.36/x - Step 3: Cross multiply
5,280,881.46x = 7,921,322.40 × 2,883,418.36 - Step 4: Simplify right side
5,280,881.46x = 22,840,486,443,639.27 - Step 5: Solve for x
x = 22,840,486,443,639.27/5,280,881.46 - Step 6: Final answer
x = 4,325,127.65
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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.