Finding the Fourth Proportional to 2,149,326.11, 3,223,988.55 and 1,473,358.05
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Solution
The fourth proportional to 2,149,326.11, 3,223,988.55 and 1,473,358.05 is: 2,210,036.65
Step by Step Solution
- Step 1: Write the proportion equation
2,149,326.11 : 3,223,988.55 = 1,473,358.05 : x - Step 2: Convert to fraction form
2,149,326.11/3,223,988.55 = 1,473,358.05/x - Step 3: Cross multiply
2,149,326.11x = 3,223,988.55 × 1,473,358.05 - Step 4: Simplify right side
2,149,326.11x = 4,750,089,483,250.33 - Step 5: Solve for x
x = 4,750,089,483,250.33/2,149,326.11 - Step 6: Final answer
x = 2,210,036.65
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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.