Finding the Fourth Proportional to 2,130,145.19, 3,195,246.08 and 710,201.73
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Solution
The fourth proportional to 2,130,145.19, 3,195,246.08 and 710,201.73 is: 1,065,312.03
Step by Step Solution
- Step 1: Write the proportion equation
2,130,145.19 : 3,195,246.08 = 710,201.73 : x - Step 2: Convert to fraction form
2,130,145.19/3,195,246.08 = 710,201.73/x - Step 3: Cross multiply
2,130,145.19x = 3,195,246.08 × 710,201.73 - Step 4: Simplify right side
2,130,145.19x = 2,269,269,293,791.72 - Step 5: Solve for x
x = 2,269,269,293,791.72/2,130,145.19 - Step 6: Final answer
x = 1,065,312.03
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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.