Finding the Fourth Proportional to 1,454,421.64, 2,180,902.44 and 847,406.44
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Solution
The fourth proportional to 1,454,421.64, 2,180,902.44 and 847,406.44 is: 1,270,684.32
Step by Step Solution
- Step 1: Write the proportion equation
1,454,421.64 : 2,180,902.44 = 847,406.44 : x - Step 2: Convert to fraction form
1,454,421.64/2,180,902.44 = 847,406.44/x - Step 3: Cross multiply
1,454,421.64x = 2,180,902.44 × 847,406.44 - Step 4: Simplify right side
1,454,421.64x = 1,848,110,772,667.71 - Step 5: Solve for x
x = 1,848,110,772,667.71/1,454,421.64 - Step 6: Final answer
x = 1,270,684.32
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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.