Finding the Fourth Proportional to 2,130,147.20, 3,195,249.08 and 710,203.74
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Solution
The fourth proportional to 2,130,147.20, 3,195,249.08 and 710,203.74 is: 1,065,315.04
Step by Step Solution
- Step 1: Write the proportion equation
2,130,147.20 : 3,195,249.08 = 710,203.74 : x - Step 2: Convert to fraction form
2,130,147.20/3,195,249.08 = 710,203.74/x - Step 3: Cross multiply
2,130,147.20x = 3,195,249.08 × 710,203.74 - Step 4: Simplify right side
2,130,147.20x = 2,269,277,843,296.54 - Step 5: Solve for x
x = 2,269,277,843,296.54/2,130,147.20 - Step 6: Final answer
x = 1,065,315.04
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1.5x scale
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.