Finding the Fourth Proportional to 2,170,325.58, 2,994,903.30 and 1,203,420.07
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Solution
The fourth proportional to 2,170,325.58, 2,994,903.30 and 1,203,420.07 is: 1,660,638.74
Step by Step Solution
- Step 1: Write the proportion equation
2,170,325.58 : 2,994,903.30 = 1,203,420.07 : x - Step 2: Convert to fraction form
2,170,325.58/2,994,903.30 = 1,203,420.07/x - Step 3: Cross multiply
2,170,325.58x = 2,994,903.30 × 1,203,420.07 - Step 4: Simplify right side
2,170,325.58x = 3,604,126,738,929.23 - Step 5: Solve for x
x = 3,604,126,738,929.23/2,170,325.58 - Step 6: Final answer
x = 1,660,638.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.