Finding the Fourth Proportional to 4,946,659.70, 7,419,989.55 and 3,671,201.30
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Solution
The fourth proportional to 4,946,659.70, 7,419,989.55 and 3,671,201.30 is: 5,506,801.95
Step by Step Solution
- Step 1: Write the proportion equation
4,946,659.70 : 7,419,989.55 = 3,671,201.30 : x - Step 2: Convert to fraction form
4,946,659.70/7,419,989.55 = 3,671,201.30/x - Step 3: Cross multiply
4,946,659.70x = 7,419,989.55 × 3,671,201.30 - Step 4: Simplify right side
4,946,659.70x = 27,240,275,281,946.41 - Step 5: Solve for x
x = 27,240,275,281,946.41/4,946,659.70 - Step 6: Final answer
x = 5,506,801.95
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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.