Finding the Fourth Proportional to 3,938,783.84, 5,908,175.08 and 1,245,000.46
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Solution
The fourth proportional to 3,938,783.84, 5,908,175.08 and 1,245,000.46 is: 1,867,500.48
Step by Step Solution
- Step 1: Write the proportion equation
3,938,783.84 : 5,908,175.08 = 1,245,000.46 : x - Step 2: Convert to fraction form
3,938,783.84/5,908,175.08 = 1,245,000.46/x - Step 3: Cross multiply
3,938,783.84x = 5,908,175.08 × 1,245,000.46 - Step 4: Simplify right side
3,938,783.84x = 7,355,680,692,360.54 - Step 5: Solve for x
x = 7,355,680,692,360.54/3,938,783.84 - Step 6: Final answer
x = 1,867,500.48
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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.