Finding the Fourth Proportional to 2,134,242.16, 3,201,368.70 and 872,069.78
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Solution
The fourth proportional to 2,134,242.16, 3,201,368.70 and 872,069.78 is: 1,308,106.90
Step by Step Solution
- Step 1: Write the proportion equation
2,134,242.16 : 3,201,368.70 = 872,069.78 : x - Step 2: Convert to fraction form
2,134,242.16/3,201,368.70 = 872,069.78/x - Step 3: Cross multiply
2,134,242.16x = 3,201,368.70 × 872,069.78 - Step 4: Simplify right side
2,134,242.16x = 2,791,816,897,907.89 - Step 5: Solve for x
x = 2,791,816,897,907.89/2,134,242.16 - Step 6: Final answer
x = 1,308,106.90
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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.