Finding the Fourth Proportional to 4,772,473.84, 7,158,725.54 and 1,178,241.20
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Solution
The fourth proportional to 4,772,473.84, 7,158,725.54 and 1,178,241.20 is: 1,767,365.45
Step by Step Solution
- Step 1: Write the proportion equation
4,772,473.84 : 7,158,725.54 = 1,178,241.20 : x - Step 2: Convert to fraction form
4,772,473.84/7,158,725.54 = 1,178,241.20/x - Step 3: Cross multiply
4,772,473.84x = 7,158,725.54 × 1,178,241.20 - Step 4: Simplify right side
4,772,473.84x = 8,434,705,370,720.25 - Step 5: Solve for x
x = 8,434,705,370,720.25/4,772,473.84 - Step 6: Final answer
x = 1,767,365.45
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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.